https://www.kaylamatheus.com/recent-projects daily 0.75 2022-10-14 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777069360-Y55ZL9JTQI1F2URU9F8G/image-asset.jpg Recent Projects - Ommie A robot I designed and built for researching the intersection of social robotics and mental health support. Further information available in August 2022 with citable publication. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777069360-Y55ZL9JTQI1F2URU9F8G/image-asset.jpg Recent Projects - Ommie A robot I designed and built for researching the intersection of social robotics and mental health support. Further information available in August 2022 with citable publication. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777105403-3E1223TAUENQ757HI0Q5/image-asset.jpg Recent Projects - Molten Work A selection of aluminum and iron casting pieces and experiences from the Yale Sculpture course Hidden Truths. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655427372192-9VZK8YG656GYP2XTQR78/IMG_2113%2B2.jpg Recent Projects - Molten Work A selection of aluminum and iron casting pieces and experiences from the Yale Sculpture course Hidden Truths. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655430443145-661SM3FW7TFTGWJI8EOQ/3_Volta-charging-station-designed-by-KISKA_aerial_Landscape-1200x683.jpeg Recent Projects - Volta Charging During my time at Volta Charging, I led the design and development of a number of projects that I am proud of. They include a next-gen EV charging station, new advertising capabilities based on computer vision, prediction technologies for EV station placement, and next-gen mobile app. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655430990334-OMLKBI2UVBMXSAI4O5FW/MOTI%2BIcon%2BSkinny_Fem%2BPallate.jpg Recent Projects - MOTI A tabletop social robot infused with behavioral science principles to help users develop and stick to wellness habits ranging from productivity, to exercise, to mindfulness. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655431005329-GXV0Z6HT8EISHGNBQ637/Luna%2BIcon_FP_HD.jpg Recent Projects - Luna A conversational AI companion for building better sleep habits. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655431023603-ZZC5BZ6IDA7CYNS3VB74/NYR%2BBot_FP_HD.jpg Recent Projects - New Years Bot A chatbot that helps guide the choosing of New Year’s Resolutions and setting you up for success with habit formation. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655427535482-9TEWI2PCEERW8BR4ILG0/Volta%2BIcon_FP_NDA.jpg Recent Projects - EV Charging UX and Strategy at Volta New user experiences and technology for media-sponsored, public electric vehicle chargers. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520899834640-GFCPVU9HWXSZMJIKVTPA/Kaylabot+FP.png Recent Projects - Kaylabot An extremely minimal bot to help with stressful times. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655431088995-06AGH2TVOF2NUT7ZMS0T/SCJ_FP_NDA.jpg Recent Projects - Malaria Prevention at SC Johnson The application of human-centered design to develop an in-home product for malaria prevention in the developing world. https://www.kaylamatheus.com/engineering daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517378050090-2H4PV7YKYTQFJH8EKT9M/Screen+Shot+2017-11-09+at+11.32.23+PM.png Sixaxis et. al. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086961325-1NMT07K793Q5GVFEIXJZ/show.png Sixaxis et. al. Sixaxis, Gill Sans & Garamond, and 47.2 Degrees explore the intersection of typography and sculpture and the translation between two and three dimensions. In an effort to bring letterforms into the third dimension, I have rotated lowercase letters by 360 degrees around their natural vertical axes. This translation turns letters into objects in the real world – they now have a weight, texture, smell, taste, and even sound. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086968347-168ISNSR9PQ0X4SC6MBP/sixaxis+color3.jpg Sixaxis et. al. Sixaxis is a word-sculpture. Just as letters are the building blocks to words, these new objects are the building blocks of sculpture. Looking closely, one can see what the sculpture spells. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086971394-ZO1KG18ICQYP1EBRFX26/sixaxis+detail+1.jpg Sixaxis et. al. The letter-objects in both Sixaxis and Gill Sans & Garamond are created using a layering technique that echoes the translation from two to three dimensions. The rotated three-dimensional CAD forms are sliced into two-dimensional layers, which then return to three dimensions by stacking - extrusion rather than rotation. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519087036188-O5EWHANADEBZGAI19GKX/image-asset.jpeg Sixaxis et. al. Sixaxis Walk-around (video) https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519087099124-AJCEJDM0RLZVU7CZ2YXA/sixaixs+detail+2+2.png Sixaxis et. al. The form of the sculpture is a sixaxis, referencing the geometric symbolism of dimensions. Rather than stopping at just three axes, though, the mirrored six represent the symmetrical nature of both the three-dimensional letters and the word they spell. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086974613-7PSADMVC6NNYIY4GUMSD/gill+sans.jpg Sixaxis et. al. Gill Sans & Garamond is a typographic experiment. Each line shows a row of three ‘a’ letterforms in different typefaces; Garamond on the left, Gill Sans on the right. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086977723-46ZS1PKJE7DSLQ4HXHZD/gill+sans+detail+1.jpg Sixaxis et. al. The letters are repeated and rotated to allow the viewer to inspect all sides and observe how three dimensions can enhance her understanding of certain typeface. For instance, the tail of the Garamond ‘a’ is much more pronounced. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519086981002-PGHPOW2JXXO2I3UA7NNT/47+degrees.jpg Sixaxis et. al. 47.2 Degrees is concerned with the layering technique used to translate from two to three dimensions. While the layers in the previous two pieces are made of concentric circles around the axis of original rotation, this piece shows how layering at different angles can create a different-looking form. https://www.kaylamatheus.com/speaking-engagements daily 0.75 2018-02-01 https://www.kaylamatheus.com/speaking-engagements/2017/7/12/an-inside-look-at-the-customer-discovery-and-product-development-process monthly 0.5 2018-02-01 https://www.kaylamatheus.com/speaking-engagements/2018/2/1/social-robots-jolt monthly 0.5 2018-02-01 https://www.kaylamatheus.com/speaking-engagements/2018/1/8/test-speaking-engagmenet monthly 0.5 2018-02-01 https://www.kaylamatheus.com/all-projects-1 daily 0.75 2018-01-23 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1516680695767-AL87YJTHREHJ8DW1BIP9/IMG_4709.JPG All Projects - Title Description https://www.kaylamatheus.com/jacket-tent daily 0.75 2018-03-13 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088574612-QY9WZW8FX958CED3LC0J/jacket+main.jpg Jacket Tent This project is a response to the prompt of making a garment that transforms into a shelter. I was inspired by disaster-relief efforts in current events and sought to create a hypothetical emergency shelter in wearable form. I took care to use the aesthetic of emergency situations in attractive ways while also making the piece fully functional as a tent. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088574612-QY9WZW8FX958CED3LC0J/jacket+main.jpg Jacket Tent This project is a response to the prompt of making a garment that transforms into a shelter. I was inspired by disaster-relief efforts in current events and sought to create a hypothetical emergency shelter in wearable form. I took care to use the aesthetic of emergency situations in attractive ways while also making the piece fully functional as a tent. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088582274-LKXMJ8X6VU7MNA5ECFQU/IMG_2511+copy.JPG Jacket Tent Jacket-Tent is made primarily out of water-proof plastic tarps. One feature of the jacket is an optional hood that can be tightened to protect the user from rain. This part later transforms into the head of the tent. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088591842-47DLMNQWZ2HD22FFVAHK/IMG_2537+copy.JPG Jacket Tent Detail of the back of the jacket. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088601916-6KZK5D9VANQ9AHTEEN01/IMG_2585.jpg Jacket Tent The start of the transformation into tent form. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088616918-208PHDB4IQZFFZELM9IR/IMG_2612.jpg Jacket Tent Detail of the transformation. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088620563-9269155L84O6B7NMNKE4/IMG_2651+copy.JPG Jacket Tent The fully-transformed tent. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519088764401-TQEX9AKVPT57KC7LFD8N/image-asset.jpeg Jacket Tent Jacket-Tent Transformation https://www.kaylamatheus.com/stool-chair daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089030880-VXU0N1932Y1D059IDQ0M/IMG_1471+copy.JPG Stool Chair This piece provides a functional and aesthetic improvement to a traditional art stool. While cardboard is not conventionally sturdy or comfortable, the interlocking lattice structure can support an average human’s weight and remain comfortable over time. As there are no fasteners, the stool remains unharmed and can be returned to normal by disassembling the chair pieces. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089030880-VXU0N1932Y1D059IDQ0M/IMG_1471+copy.JPG Stool Chair This piece provides a functional and aesthetic improvement to a traditional art stool. While cardboard is not conventionally sturdy or comfortable, the interlocking lattice structure can support an average human’s weight and remain comfortable over time. As there are no fasteners, the stool remains unharmed and can be returned to normal by disassembling the chair pieces. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089035660-RJUNF9LETC53GAGXQNGY/IMG_1478.JPG Stool Chair A top-down view of the lattice. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089040951-72D31B32DVJM4I1UHBR4/IMG_1479.JPG Stool Chair Each cardboard piece was hand-cut and together form a cohesive curvature for comfort. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089045164-CTN80AA3681O5CIR75B0/IMG_1485.JPG Stool Chair The piece in its original habitat. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519089047570-XQS2JDPN77232O40P77K/IMG_1489.JPG Stool Chair The piece in use. https://www.kaylamatheus.com/iterative-calendar daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519107015361-4E9DT7HFJEHRJQZB3W92/IMG_4672.JPG Iterative Calendar This calendar is a novel type intended for simultaneous short-term, detailed planning and long-term, goal-oriented planning. Instead of showing just a single month at a time, Iterative Calendar lets the user see an entire year at a time. Only during the current month are individual days delineated. As time digresses from the current month, the days start merging together visually. This allows for planning that is not tied to a specific date and time, but is more about personal goals and important periods of time in one’s life. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519107015361-4E9DT7HFJEHRJQZB3W92/IMG_4672.JPG Iterative Calendar This calendar is a novel type intended for simultaneous short-term, detailed planning and long-term, goal-oriented planning. Instead of showing just a single month at a time, Iterative Calendar lets the user see an entire year at a time. Only during the current month are individual days delineated. As time digresses from the current month, the days start merging together visually. This allows for planning that is not tied to a specific date and time, but is more about personal goals and important periods of time in one’s life. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519107033642-O36W5YKSDEEP814JILZB/months+big.jpg Iterative Calendar At the end of each month, the current pages are torn off and the individual boxes shift down, delineating the new month. The previous months begins to congeal and the following month begins to disintegrate. This image shows four successive months from the first set. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519107038689-YR45ZQTO3F36YM2QRXEK/IMG_4676.JPG Iterative Calendar Carbon paper beneath each page ensures that plans are retained after the page is ripped off. It also makes the piece a living record; older thoughts will fade away over time while newer ones appear more clearly. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519107041479-Y7RG5ZE2F7SEU6YPBWSJ/IMG_4679.JPG Iterative Calendar The next step for this project is digitization. There are many advantages to a physical version; for one, the calendar’s size allows the user to draw in close or take a step back, echoing its dual-nature. But in today’s world, such interactivity begs for a more portable digital companion. https://www.kaylamatheus.com/pencil daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519101011582-VHXTI6O1DGQO6YVBEZYA/IMG_3708.jpg Pencil This pencil is not a normal pencil. While it does have a graphite tip, the body is made of 46cm of solid aluminum rod. One can technically write with it, but the appearance and feel of the pencil is surreal and impractical. This piece creates a novel experience of an everyday task while asking to what extent appearance and function define an object. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519101011582-VHXTI6O1DGQO6YVBEZYA/IMG_3708.jpg Pencil This pencil is not a normal pencil. While it does have a graphite tip, the body is made of 46cm of solid aluminum rod. One can technically write with it, but the appearance and feel of the pencil is surreal and impractical. This piece creates a novel experience of an everyday task while asking to what extent appearance and function define an object. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519101030758-CKMMAKFH7DVNQS2OZYAO/IMG_1086+copy.JPG Pencil Due to the unexpected size and weight of the pencil, users must adapt their normal writing methods. In this case, the user utilizes his shoulder to help support the weight. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519101059755-A6C3WTKE1VND70MFY79W/IMG_1106+copy.JPG Pencil Another method is the power grasp. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519101043861-U7531KLN8XT2O0OFDTQB/IMG_1102+copy.JPG Pencil A third method is using the elbow crook for support. Whatever method is chosen, Pencil challenges existing notions of what it means to write and exposes the importance of tools in everyday life. https://www.kaylamatheus.com/pyramid-gallery daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103788288-DBZ9OUO1XI4D4PALJ0WD/%2813%29+pyramid+3.JPG Pyramid This piece is an investigation into the idea of a base. I have inverted a six-foot-long asymmetrical pyramid against gravitational odds to undermine our perception of reality and what defines a conventional base. Standing at three-and-a-half feet, the surface of the pyramid almost becomes that of a table. The plywood exterior furthers this notion. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103788288-DBZ9OUO1XI4D4PALJ0WD/%2813%29+pyramid+3.JPG Pyramid This piece is an investigation into the idea of a base. I have inverted a six-foot-long asymmetrical pyramid against gravitational odds to undermine our perception of reality and what defines a conventional base. Standing at three-and-a-half feet, the surface of the pyramid almost becomes that of a table. The plywood exterior furthers this notion. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103796558-0P3YNQ97J6ZE3Q110HJ9/IMG_0509+copy.JPG Pyramid The asymmetry of the pyramid furthers the instinctual notion that the piece should tip over. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103802404-Z0C48INTCMSUQQSNZ5YD/IMG_0512+copy.JPG Pyramid Walking around the piece yields drastic changes in perspective. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103808029-JFS12UVV1IGUJHCV4589/IMG_0471+copy.JPG Pyramid The piece is not, in fact, attached to the floor but held upright by an internal counterweight shelf. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519103808660-CVWL2JQJ97KKJ42DZ8PU/pyramid+construction+copy.jpg Pyramid The construction of the pyramid was daunting as a first attempt in working with wood. I first created an MDF frame based off angle measurements in my CAD model, which I then covered with plywood panels. https://www.kaylamatheus.com/logos daily 0.75 2018-02-22 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519278085428-1AN4VJNHNERDB05BIC6G/yale+CEID.png Logos - title test https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519278085428-1AN4VJNHNERDB05BIC6G/yale+CEID.png Logos - title test https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519278084084-KK5M9Y5W3YP5BBLLQ11A/DFA.png Logos - title yrdy https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519278085526-0IIETBEDIQCFQC16N0EN/northwestern_formal_horizontal.png Logos - titlw yeaas https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519278086009-TYWIX6FI75II9OCYKFLE/Yale_University_logo.png Logos https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519279734847-QLNRPADRYS3WP6TU64QX/lockup-vertical-short-purple.png Logos https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519280616349-XZJUF7VPNAY4YWSS5ALB/CEID+set+size.png Logos At the CEID....   https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519280616435-H8UL5VW9EXT20RHY4WAO/DFA+set+size.png Logos DFAAAA https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519280616244-QH4GPBHNGXPPCD1P2BYS/NU+set+size.png Logos Time at NU https://www.kaylamatheus.com/knots-gallery daily 0.75 2018-02-20 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105620963-9N2NFO9TME9A22NU6TIB/IMG_1133_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105620963-9N2NFO9TME9A22NU6TIB/IMG_1133_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105620691-HQT1UUWT19P2NCC7G9N6/IMG_1134_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105643719-VQND0R51P2TX8IORQFEQ/IMG_1172_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105642925-DZWBK00GH3GDHWDZEN3F/IMG_1176_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105654391-VRYQ0S7WE3CL107RIDCG/IMG_1178_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105681072-SECKLFGCYFS2DKWP3RZT/IMG_1190_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105681463-7IFH8G9VCMV8595B8RRD/IMG_1191_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105687539-ST8BR6KIYLYLL1UUWYKP/IMG_1192_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105688655-XHDBSTCMD4VWSGNY2XDN/IMG_1193_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105691897-M49FDVOCHUN8FMLQDOB7/IMG_1194_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105692158-1TQ0SANMUJ43J09MUF6X/IMG_1195_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105696769-QS6MQMFQ36ZBAIIHA596/IMG_1196_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105696638-O27J521I92WFBYND92OP/IMG_1197_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105706772-2POG7H5IS5MPY5SRJXKU/IMG_1590_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105706218-YPJNGI9KRGXBUGQ6YKRL/IMG_1591_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105711142-H8OXKGNZ9S60DH3ZEDNJ/IMG_1592_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105713534-Q430LQ2H51UTWOS2VTNB/IMG_1593_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105716575-OJW7519M4VZBL1TOPECQ/IMG_1594_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105718656-2S5L1QCY1OL4I8WAA1YP/IMG_1595_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105718725-3FFI3E93VCS8W8OIYUG4/IMG_1598_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105721857-FZZJKT04N0V0O2CK3WRB/IMG_1603_cropped.jpg Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105721855-VSJ5JEDC32QFAOOKRIU1/IMG_1605_cropped.jpg Knots https://www.kaylamatheus.com/art-gallery daily 0.75 2023-01-24 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777105403-3E1223TAUENQ757HI0Q5/image-asset.jpg Art - Molten Work Aluminum and iron castings of every-day objects and natural forms. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777105403-3E1223TAUENQ757HI0Q5/image-asset.jpg Art - Molten Work Aluminum and iron castings of every-day objects and natural forms. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1674507504393-EXZVXDQ7ZGJ8ROZ6O6GJ/IMG_9126.png Art - In-the-Wild An ongoing watercolor series of in-the-wild scenes from the trail. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462938708-RR2GA2PWBY5ZOW7P9OT8/Kaylabot+FP.png Art - Kaylabot An exploration of conversational AI as a solution to one’s own problems. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900137069-KTPBPP7UA8GGRF2LLIVJ/show.png Art - Sixaxis, et al. Explorations into the concept of negative space, typography, and the translation from two to three dimensions. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900135832-MXWQS6GTW1OW8KRA0K3N/IMG_0512+copy.JPG Art - Pyramid An exploration into the theme of a “base.” https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519105620963-9N2NFO9TME9A22NU6TIB/IMG_1594_cropped.jpg Art - Knots A collection of sketches, paintings, and collages exploring the concept of knots. Completed in Pont-Aven, France in 2008. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900173783-6AQR7KQMY1SDH9KRCHTA/IMG_1471+copy.JPG Art - Stool Chair The classic cardboard chair problem. An improvement on the incredibly uncomfortable artist’s stool that I had to endure for many classes. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900096085-9EN5V22OE7T342N10L3M/IMG_1086+copy.JPG Art - Aluminum Pencil An oversized, solid aluminum, working pencil. The opposite of what you’d expect. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900017451-WDZSD91ERZPNRJMFH0KC/IMG_2537+copy.JPG Art - Jacket-Tent An exploration in the intersection of fashion and shelter. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520899966522-0RH9JF4ASF7X29KO3DOE/IMG_4676.JPG Art - Iterative Calendar A calendar that allows for both macro and micro planning depending on where you are in the year. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900005871-FY6V39P8XBR60Q88PDSS/IMG_3898.JPG Art - Cassava Dryer An affordable, easy-to-build cassava dryer for the developing world. Cassava is a staple food and poisonous if not properly processed. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900114375-HN17PIPV1O8M6OC4JE0A/%28v2%29+lightbulb.jpg Art - Under-actuated Prosthetic Hand A purposefully under-actuated and affordable prosthetic hand with a more humanoid touch. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520900152927-GNVZPFUKKDUD0DMZELM0/IMG_4054.JPG Art - Spray Foam 3D Printer Asenior capstone project in mechanical engineering: a 3D printer for spray foam aimed at rapid prototyping and custom packaging. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520899978571-LJXGEM2SDXSQJ5GM8GAM/rendering1.JPG Art - Energy-Harvesting Door Opener A undergraduate mechanical engineering team project, featuring the creation of an automatic door opener for mobility. https://www.kaylamatheus.com/all-project-photos daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997357404-OCSYI20632RKJ2R3IVH2/MOTI_prototypes%26hands+-+336.jpg MOTI Project Photos The prototype that started it all. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997357404-OCSYI20632RKJ2R3IVH2/MOTI_prototypes%26hands+-+336.jpg MOTI Project Photos The prototype that started it all. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997142259-OG2GYIXKM56Y3S42CE7K/IMG_4665.JPG MOTI Project Photos https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997142645-JN4KMP5PDHDH1WTMFLBZ/IMG_4717.JPG MOTI Project Photos Testing variations of light interactions. User testing showed a strong preference for the near-ephemeral quality of a neopixel ring recessed below semi-opaque plastic. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997150600-CJJCJI3VNDR03QJ7LQQ7/IMG_4718.JPG MOTI Project Photos The first “alpha” prototype of MOTI, bridging a new shell design with internal electronics. The was the first joining of lights, sounds, haptics, and connectivity. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543722653815-APHU5NH8S00F60OW4BK1/IMG_4906.JPG MOTI Project Photos In parallel, I was still building prototypes of wearables for behavior change. However, battery life and forgetfulness presented significant hurdles. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997161422-FNGUG2QYIYY7NSRENX35/IMG_4873.JPG MOTI Project Photos The first alpha unit being testing in the wild. This study yielded a new side benefit to MOTI: the subject’s coworkers started to engage with his habit formation, giving out high fives whenever they saw him hydrating (his habit of choice) and leaning over to push MOTI’s button. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543712283234-G0UNJ79B4OA8GJGW9ABL/image-asset.jpeg MOTI Project Photos This video shows how we fabricated our 35 beta devices. They were proudly made by all female engineers! https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543715314539-BH8KQIZINECJAR5T7D0R/IMG_5802.JPG MOTI Project Photos Beta units ready to ship — at this point there were three form factors and five colors to choose from. We would quickly learn the need to minimize SKUs. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997178879-BLX8IF8MH4ASV5H8QPJ9/wifi+setup+whiteboard.jpg MOTI Project Photos Planning out the user flow of the mobile app. The mobile app was required to set up MOTI, and could be used to track stats and remotely “push” MOTI if away. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543734547283-0WM3WNRPA0YYKBWLYHHH/image-asset.jpeg MOTI Project Photos A look at the MOTI Beta web portal. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543738813092-C70XZA3D2LMHS4FGC4O1/image-asset.jpeg MOTI Project Photos - MOTI App Setup Demo A look at a later iteration of the MOTI App on-boarding process. You could use the mobile app to also view the same information as the web portal. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543714868592-I787BZOA3JNIR0B01E1P/Screen+Shot+2018-12-01+at+5.28.05+PM.png MOTI Project Photos In 2015, MOTI was accepted into Highway1, which focuses on scaling manufacturing for startups. We moved from New York to San Francisco, and started a new phase of the startup journey. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997362643-O2JWJW2DEWBNDOF1XLUM/MOTI+-+96.jpg MOTI Project Photos I conducted extensive user testing on the user interactions and form factors for MOTI. This shot shows variations on how a user would “tell” MOTI they have done their habit. Users strongly preferred the Pavlovian satisfaction of a physical push button. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997324081-PO17R9LL3GHPD3GLFYJX/MOTI+-+56.jpg MOTI Project Photos An exploration into MOTI’s feet. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997353684-HSWTW3WUM28MBVCQZZ6I/MOTI_prototypes%26hands+-+68.jpg MOTI Project Photos Scale studies. MOTI had to be small enough to not take up too much space on a bedside table or messy desk, but big enough to be paid attention to. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997344885-LWE665QVVO96QJR4EKFH/MOTI_prototypes%26hands+-+31.jpg MOTI Project Photos We made a switch to a concave face after noticing that our mentors would always pick up the MOTI prototypes and rub it’s face absent-mindedly during meetings. We also experimented with alternative, softer materials for the faceplate. Getting the face right was one of the most important elements of MOTI’s design. We also paid attention to the face-to-body ratio to best convey the feeling that MOTI was a living being. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543713584187-8YX4O7025TSXPLANZXM1/IMG_6449.JPG MOTI Project Photos We went to Shenzhen with Highway1, and explored throughout Huaqiangbei to try and find the best LEDs, haptic vibrators, and pushbuttons for MOTI. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543714795947-9BVVTI04UCLDQJ394Q2N/IMG_4605.JPG MOTI Project Photos We also walked a number of manufacturing lines while there. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997333688-5YYVLASHK0JCWR4W5I49/MOTI+-+104.jpg MOTI Project Photos A key moment for MOTI is the push — it needs to be tangibly very satisfying in order to build that dopamine rush when a user completes their habit. We paid close attention to the exact force and travel curve of off-the-shelf and custom pushbuttons. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997353530-EG6IJ18EWZU3HB73HA75/MOTI_prototypes%26hands+-+40.jpg MOTI Project Photos The form factor of the faceplate also played a big role in the feel of the push. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543714777216-7N64J2HFXN8ZC3TIXRLS/IMG_8108.JPG MOTI Project Photos Eventually all this prototyping and testing led to the final form factor and interactions set. With the help of Highway1 and some contract engineers, we designed MOTI to be manufacturable with injection molding and a custom PCB. (I will always remember spending some long nights with the pick-and-place machine in the shop.) https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543714787975-EWO428S3FX6EM7AF5EXU/IMG_7896_corrected.jpg MOTI Project Photos We found a wonderful silicone molder in Shenzhen with stellar painting skills. Color choices are always hard and require on-hand prototypes before moving to scale. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543714778701-OQREODTF5JCPZXAR0W8P/Screen+Shot+2016-08-11+at+2.41.59+PM.png MOTI Project Photos We couldn’t forget about the packaging. It’s one of the first touch points a user has with a new product, and very important to branding. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997187525-43VRWYPIUSDVZJFJ5E0G/0627_Moti_-1805.jpg MOTI Project Photos All in all, we built over 100 prototypes leading up to the final product. https://www.kaylamatheus.com/luna-gallery daily 0.75 2018-04-17 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999798568-QZTQ00S2F3AFORQ258PH/Betterment+Labs+Deck_for+devs.003.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999798568-QZTQ00S2F3AFORQ258PH/Betterment+Labs+Deck_for+devs.003.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999798870-2F22UXEB2M0PUVLHD0TK/Betterment+Labs+Deck_for+devs.004.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999802689-LS0NQ8ZD9T9GAFB3JWFL/Betterment+Labs+Deck_for+devs.005.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999802290-UQVBQXRJ13ERF94F2ORK/Betterment+Labs+Deck_for+devs.006.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999804934-CMH8XAA0ZAFPZ8YW1VLI/Betterment+Labs+Deck_for+devs.007.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999805178-UACN05P44NM0HMTS2Z8G/Betterment+Labs+Deck_for+devs.008.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999807583-6WTCXA3R6JHM2E3OPMOZ/Betterment+Labs+Deck_for+devs.009.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999808113-2GH2MKUY9ATLOJHWOSOU/Betterment+Labs+Deck_for+devs.010.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999811104-O7G5NWPF6G912XSMV92T/Betterment+Labs+Deck_for+devs.011.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999811394-KX8X7A6E6EXJS0I0OBKM/Betterment+Labs+Deck_for+devs.012.jpeg Luna Gallery https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523999813069-SX1B8M6SMONKGNP147AZ/Betterment+Labs+Deck_for+devs.013.jpeg Luna Gallery https://www.kaylamatheus.com/new-gallery daily 0.75 2018-11-28 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382549613-HT3YQ7I2JRBX2JA6LOFQ/Picture+30.png Energy-Harvesting Door Opener The Energy-Harvesting Door Opener is a team project for a senior mechanical design course. We sought to create a door opener that would charge itself with human power from normal opening and release that power to open automatically. Such an opener could be farther away from grid access. Other goals included Americans with Disabilities Act compliance, ease of installation and use, and minimal size and weight. Our team split up into two groups, one designing a traditional upper-door linkage system, and the other designing a novel wheel-based system. I worked on the latter project with one other student. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382549613-HT3YQ7I2JRBX2JA6LOFQ/Picture+30.png Energy-Harvesting Door Opener The Energy-Harvesting Door Opener is a team project for a senior mechanical design course. We sought to create a door opener that would charge itself with human power from normal opening and release that power to open automatically. Such an opener could be farther away from grid access. Other goals included Americans with Disabilities Act compliance, ease of installation and use, and minimal size and weight. Our team split up into two groups, one designing a traditional upper-door linkage system, and the other designing a novel wheel-based system. I worked on the latter project with one other student. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382551447-K1H5REKN4SB1NHZFU23C/suspension+hd.jpg Energy-Harvesting Door Opener As we could find no evidence of a wheel-based door opener existing, we designed everything from scratch. The main concerns were: choosing the correct type of return spring, designing an adjustable suspension system to ensure wheel-to-floor friction, specifying and packaging the drive chain, and attaching to the door. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382548499-AH3AHQGNO7V6CYTGK1KO/rendering1.JPG Energy-Harvesting Door Opener The device works as such: when the user opens the door, the wheel turns a set of gears, which backdrives a small motor to charge a battery pack. When the user releases, a spring returns the wheel to the original position. To open automatically, the motor runs this process instead. https://www.kaylamatheus.com/prosthetic-hand-1 daily 0.75 2018-12-01 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382489234-5QGTVQDXFDY6HNNJKB5R/CIMG2190.JPG Prosthetic Hand The body-powered prosthetic hand was a Ph.D. thesis project for a graduate student in the Grab Lab at Yale. It aims to be a passive, under-actuated, and anthropomorphic prosthetic powered by a traditional shoulder harness used by many upper body amputees. While most modern prosthetics are complex and expensive, this project hopes to bring a cheaper and more effective alternative. My part in the project was designing and manufacturing the fingers, grips, and palm for the hand. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382489234-5QGTVQDXFDY6HNNJKB5R/CIMG2190.JPG Prosthetic Hand The body-powered prosthetic hand was a Ph.D. thesis project for a graduate student in the Grab Lab at Yale. It aims to be a passive, under-actuated, and anthropomorphic prosthetic powered by a traditional shoulder harness used by many upper body amputees. While most modern prosthetics are complex and expensive, this project hopes to bring a cheaper and more effective alternative. My part in the project was designing and manufacturing the fingers, grips, and palm for the hand. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382462402-LQAKCJ85BI05FIKNHV5H/%28v1%29IMG_4168.JPG Prosthetic Hand I designed the prosthetic fingers based off the human hand and the robot finger technology used by the lab. The Grab Lab uses rubber joints that bend when a line is pulled rather than difficult-to-control motors. This first prototype was 3D printed to test the forms I made in CAD. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382467562-7I1P5R367OC08KZGGZZP/%28v0%29+IMG_4175.JPG Prosthetic Hand The Grab Lab manufactures robot hands through a process called Shape Deposition Manufacturing. In order to adapt this technique for a much more geometrically complex design, we experimented with new mold-making techniques. This prototype is the result of a multi-stage CNC milling and casting process. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382480825-OSZ9AEBEP2XHGSBNX6XB/%28v2%29exposed+back.jpg Prosthetic Hand Upon knowing how to eventually make the fingers, we continued with 3D printing for the sake of quick turn-around. This image shows the meshing of the internal mechanism with the external fingers and palm - a back-and-forth process of balancing form and function. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382479088-CHTX2W3FNV7LN3S15RMS/%28v2%29+lightbulb.jpg Prosthetic Hand A view of the prosthetic hand in action, using a power grasp. By switching the side lever, the hand can shift between power (for large, robust objects) and precision (for small, delicate objects) grasps. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382469111-Q1Q8WLB2URNGQE61NMUN/%28v2%29+IMG_0012.JPG Prosthetic Hand One fascinating part of this project was researching the perspective of prosthetic hand users. We worked with a hook user to better understand their needs and ensure that specific tasks easily accomplished with a hook (like holding a pencil or fork) can be done with our hand. https://www.kaylamatheus.com/spray-foam-printer-1 daily 0.75 2018-11-28 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382857715-8LI151L4A4ZFSAF7HMVX/IMG_4054.JPG Spray Foam Printer For my senior project in mechanical engineering, I sought to create a novel, proof-of-concept 3D printer. I was inspired by a personal fascination for the conversion between two and three dimensions and a belief that 3D printing is a significant part of the future of fabrication. Spray foam is an inherently cheap and lightweight material, well-suited for model building and quick prototyping. To get from CAD to foam, the printer uses a four degree-of-freedom robot arm for travel, which is controlled by the V+ language. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382857715-8LI151L4A4ZFSAF7HMVX/IMG_4054.JPG Spray Foam Printer For my senior project in mechanical engineering, I sought to create a novel, proof-of-concept 3D printer. I was inspired by a personal fascination for the conversion between two and three dimensions and a belief that 3D printing is a significant part of the future of fabrication. Spray foam is an inherently cheap and lightweight material, well-suited for model building and quick prototyping. To get from CAD to foam, the printer uses a four degree-of-freedom robot arm for travel, which is controlled by the V+ language. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382849491-JP620CQDOPFKE5G4U5DU/close+up+of+gun+mount.JPG Spray Foam Printer The hardware portion of this project consisted of designing the actuation system and mounting plate for a purchased spray-foam gun. The entire system is self-contained and attached to the end-effector of the robot arm. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382857132-8AIIOJ9S0K9DM3E2FDUA/IMG_4052.JPG Spray Foam Printer I chose a pneumatic system for actuation, mostly because I had never used one before. A custom-made housing and holds the pneumatic cylinder to the gun, which pushes against the trigger with a nylon ball when actuated. A screw at the opposite end acts as an adjustable hard-stop. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382854120-ROO37ICC9W5N8YE1H01I/IMG_4042.JPG Spray Foam Printer The pneumatic cylinder is driven by an in-room air line attached to a solenoid valve, which is controlled by a small circuit connected to the robot arm’s controller. I communicated with the valve directly through the robot’s OS with the program codes I wrote. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382852521-WWHDG2Z4XPIIX7MAKR2H/IMG_4033.jpg Spray Foam Printer The hardest part of this project was the software side. I was learning a programming language for the first time and went through many trials of translating a CAD model into reality and fine-tuning my program codes. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382855653-BFCEA4PER0UQKB2UFD7U/IMG_4047.jpg Spray Foam Printer A test print of a 3D object. While not an exact replica, this project was ultimately about trying new things – whether learning how to use pneumatic systems, writing code for the first time, or challenging myself to develop a new 3D printing method. https://www.kaylamatheus.com/cassava-dryer-1 daily 0.75 2018-11-28 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382271911-I396N57JFMN8F7LJFA3R/IMG_3898.JPG Cassava Dryer This cassava dryer is the result of a team project in appropriate technology intended for farmers in Sub-Saharan Africa. Powered by a 12-volt battery, the dryer eliminates the need to travel long distances to a cassava plant or wait for sun-based drying. The battery is charged by farmers using a novel technology that harnesses energy from pre-existing sources, such as human-powered bicycles or spinning motorcycle wheels, and converts it into mechanical or electrical energy. This technology and the cassava dryer are both made from locally-available materials and skills so as to encourage a sustainable and local economy. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382271911-I396N57JFMN8F7LJFA3R/IMG_3898.JPG Cassava Dryer This cassava dryer is the result of a team project in appropriate technology intended for farmers in Sub-Saharan Africa. Powered by a 12-volt battery, the dryer eliminates the need to travel long distances to a cassava plant or wait for sun-based drying. The battery is charged by farmers using a novel technology that harnesses energy from pre-existing sources, such as human-powered bicycles or spinning motorcycle wheels, and converts it into mechanical or electrical energy. This technology and the cassava dryer are both made from locally-available materials and skills so as to encourage a sustainable and local economy. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382267475-LZUSZ91DSUDIWI1I85LN/concepts+hd.jpg Cassava Dryer Initial dryer concepts ranged from tumblers to “salad spinners” to dehumidifiers. We ultimately chose a dehydrating concept that uses a fan to carry away moisture. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382267305-WHDOMIATE0RYEMPEY647/IMG_3838.JPG Cassava Dryer To validate this concept, we first ran experiments on a food dehydrator within a custom-built humidity chamber. The results were positive, and we moved forward with designing a prototype. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382279374-A9W8B1R6Q09G60H0LO4K/REDNER1.JPG Cassava Dryer The crux of our design lies in the use of a “Kentank” – a commonly used water tank in Sub-Saharan Africa. While it blocks the sun, it protects the cassava from rain and vermin. Wooden slats slide through holes cut in the tank to hold trays made of wood and overlapping chicken wire. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382271659-Z2V62KRBL1NBHYJ0OQG4/IMG_3900.JPG Cassava Dryer We prototyped with a similarly-sized tank available in the United States. The cassava is dried by small, 12-volt computer fans at the top, which are similar to parts that might be found in a junkyard in Sub-Saharan Africa (such as the fan from a broken-down car). https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382277237-NN5ZDIOFP6Z161X0DI98/IMG_3935.JPG Cassava Dryer A significant factor in drying times was the density and size of the cassava on the trays. In addition to designing the hardware, we ran experiments to determine the optimal arrangement and ensure that drying times made sense considering the cost of the dryer. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543382275879-KCCCZZGIQG2OOUAL9NLH/IMG_3931.JPG Cassava Dryer In order to mimic the hot and humid conditions of Sub-Saharan Africa in the middle of winter in Connecticut, we built a full-scale humidity chamber to test our prototype and different cassava densities. https://www.kaylamatheus.com/moti-press daily 0.75 2018-11-29 https://www.kaylamatheus.com/all-projects daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461983111-7V5X2D6CL6ILX97CMA3F/MOTI+Icon+Skinny_Fem+Pallate.png All Projects - MOTI https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461983111-7V5X2D6CL6ILX97CMA3F/MOTI+Icon+Skinny_Fem+Pallate.png All Projects - MOTI https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462111103-XCB19O0S3M5SR7OHVFAN/Luna+Icon_FP_HD.png All Projects - Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462089049-ZVFYRPDRHPGQSJL1ME2R/NYR+Bot_FP_HD.png All Projects - New Years Bot https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462175344-VTA91409T5P40F5D639E/Volta+Icon_FP_NDA.png All Projects - EV Charging UX and Strategy https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462938708-RR2GA2PWBY5ZOW7P9OT8/Kaylabot+FP.png All Projects - Kaylabot https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462127861-MR2GC95K23NMZLXAHBRJ/SCJ_FP_NDA.png All Projects - Malaria Prevention at SC Johnson https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461866268-CNSV3RCGA75NP8UAK7FT/sixaixs+detail+2+2.png All Projects - Sixaxis et. al. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461900413-QBE607FVIGSGAK5U9AI2/IMG_1471+copy.JPG All Projects - Stool-Chair https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461803230-0LAR37QQJ7DS0Q4A58GU/IMG_2537+copy.JPG All Projects - Jacket-Tent https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461786206-T57F9SJ3BF3DZK6K1E98/IMG_4676.JPG All Projects - Iterative Calendar https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461760060-58K3PC47DDJVW73X2KZ0/IMG_3898.JPG All Projects - Cassava Dryer https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461850844-AEHH8DTOWWLHP8ZIRIXG/%28v2%29+lightbulb.jpg All Projects - Under-actuated Prosthetic Hand https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461861356-PTKA9U03H53XO414TQ0B/IMG_0512+copy.JPG All Projects - Pyramid https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461726752-1AR8VMPPUQ4ZGI6BD4IT/IMG_1133_cropped.jpg All Projects - Knots https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461842476-OPOCXNS3VC6SROAZVROB/IMG_1086+copy.JPG All Projects - Aluminum Pencil https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461879979-PI991XU4Y8FYLMXO7D63/IMG_4054.JPG All Projects - Spray Foam Printer https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543461770750-49XB5XWNYMKKKS3WT5LQ/rendering1.JPG All Projects - Energy-Harvesting Door Opener https://www.kaylamatheus.com/luna-design-and-dev daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698799247-ZCWEKWFM6LXH3UDEK3AG/Artboard.jpg Luna Design and Dev The first step of Luna was to outline the behavioral requirements for a conversational AI interaction. At this point, I had not yet defined sleep as the final target, but the core user experience flow remains regardless of behavior. This outline was a direct result of the research I had done with MOTI. One of the key pieces here was having users commit each night to a new bedtime. This accomplished three things, 1) it was more difficult to ignore than an alarm going off at the same time each night, 2) accounted for small fluctuations in when a user could or wanted to go to bed, making Luna feel more empathetic, and 3) forced the user to reflect and make a commitment to themselves, and have an external force hold them accountable for it. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698799247-ZCWEKWFM6LXH3UDEK3AG/Artboard.jpg Luna Design and Dev The first step of Luna was to outline the behavioral requirements for a conversational AI interaction. At this point, I had not yet defined sleep as the final target, but the core user experience flow remains regardless of behavior. This outline was a direct result of the research I had done with MOTI. One of the key pieces here was having users commit each night to a new bedtime. This accomplished three things, 1) it was more difficult to ignore than an alarm going off at the same time each night, 2) accounted for small fluctuations in when a user could or wanted to go to bed, making Luna feel more empathetic, and 3) forced the user to reflect and make a commitment to themselves, and have an external force hold them accountable for it. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698916486-P5NDDKNIRKYOAPTEATXO/Screen+Shot+2017-07-21+at+11.39.32+PM.png Luna Design and Dev The next step was selecting a framework for conversational development. The type of relationship that I wanted to build with users was too complex for a basic tree-based conversation flow. This ruled out the framework I had previously used with the New Years Resolution Bot, motion.ai. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698852295-7X2AA19FX8X97YE7ZZVP/Screen+Shot+2017-07-21+at+10.29.41+PM.png Luna Design and Dev The biggest factors of this choice included: thee best intent matching, ability to easily train, and an easy way to persist user states. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543702589802-S14NMBR3SNVRMNBHB6AD/Screen+Shot+2018-12-01+at+1.08.17+PM.png Luna Design and Dev Our final architecture. We selected API.ai (now DialogueFlow) since it seemed to be the most robust from an NLP perspective and easy to integrate with. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543703928379-HLXBGZ6J1VTGRYX1SJV3/Screen+Shot+2018-12-01+at+2.18.27+PM.png Luna Design and Dev However, API.ai is built for developers, not designers. A list of intent names is no way to design a conversational experience, so I needed to figure out a way to convey to my developers what the bot should actually do. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698964549-9FJ5O6M6MP5P0MR32SOF/Screen+Shot+2017-07-21+at+10.44.18+PM.png Luna Design and Dev At the time there was no pre-existing tool for this, so I built a good number of flow chart outlining user messages and bot intents, contexts, and events. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543700059838-CUTJ3UFYMARXCB2GE4AI/IMG_1736.jpg Luna Design and Dev Our approach to user testing was fail early, fail often. We used our friends and family to mechanically turk the QA process in the early days, and attended conferences giving Luna away for free to observe how users reacted to her personality and tone. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543700073072-B0JIG1XGDHW9CXMPT4KT/IMG_1738.jpg Luna Design and Dev In addition to the user experience elements, we continued to gather information on people’s sleep habits and their attitudes about them. Here, the balance was how much information we could get out of conference-goers in one minute or less of engagement! https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698809049-WEPMJR893HH923H1NJM9/Morning+Checkins_variety+1.jpg Luna Design and Dev One feature (of many) that came out of user testing was the concept of morning check ins. This was a great way to built a feedback loop from the behavior of the previous night to how good (or bad) users felt after a night of sleep. The challenging thing with sleep is that going to bed on time isn’t immediately gratifying — you only feel good the next day. Spanning that gap was a psychological hurdle we always sought to overcome. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698818920-CJMBALKK3U3G9IJM0O7I/Morning+Checkins_variety+2.jpg Luna Design and Dev One of the biggest elements of conversational AI designed I learned was that variation is key. This keeps the user on their toes, and makes the agent feel more human (human are very good at not repeated themselves word-for-word). This was a second of three variations of the morning check-ins flow. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543703910474-OFI896SEYN2TDC52ODCS/Screen+Shot+2018-12-01+at+2.37.06+PM.png Luna Design and Dev Another element of variation was when to ask people to commit to a bedtime each night. We allowed users to customize when this request would come in, since different users would be home from work or the gym or at dinner at different times. However, we tried not to send Luna’s pokes right at a specific UTC, but vary it +/- a few minutes to prevent users from being able to predict what would happen. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543703855142-51TYZ717UEG0LTIN5H9R/Screen+Shot+2018-12-01+at+2.36.03+PM.png Luna Design and Dev Another key part of Luna’s development: her personality. We wanted Luna to be approachable, optimistic, and a bit sassy. Our target audience was young adults, so the relationship we sought was one between a gym buddy and a coach. The biggest challenge with any bot like Luna is to prevent annoyance — a little extra wittiness gained her much appreciation from our users who often wanting to see what she would say next. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543710079311-1U3AX9928LS87TCGQ5JQ/Dashboard.png Luna Design and Dev While there are many basic third party dashboards for chatbot analytics, none were able to handle the behavioral information we sought to extract from our users. Accordingly, we built a custom reporting dashboard that allowed us to view transcripts end-to-end, identify individual compliance scores, and see engagement for different parts of Luna’s conversation flows. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543699654206-PKSTIY0R4W94CIY3C0F4/IMG_1318.jpg Luna Design and Dev In parallel to the conversational design and development, I engaged with our business consultant on the right way to position Luna in the marketplace. Here we were outlining the key elements of the Luna business model based on the many interviews and conversations we had with potential customers. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543700043981-DY5GXRQYVCG7C5528S1C/Image+uploaded+from+iOS.jpg Luna Design and Dev One of the biggest challenges was having limited resources with large ambitions. We were always prioritizing and re-prioritizing features based on what we we learning from our users and the market. https://www.kaylamatheus.com/molten-work daily 0.75 2022-06-17 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655424656779-L0E35BM7E2L0196BBRED/image-asset.jpeg Molten Work - Duck (Iron) https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655424656779-L0E35BM7E2L0196BBRED/image-asset.jpeg Molten Work - Duck (Iron) https://www.kaylamatheus.com/selected-work daily 0.75 2023-01-24 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1674439941666-PMVMDG2F3I55IIV1XE15/Screen+Shot+2023-01-22+at+10.12.03+PM.png Selected Work - Deep Learning for Deep Breathing https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1674439941666-PMVMDG2F3I55IIV1XE15/Screen+Shot+2023-01-22+at+10.12.03+PM.png Selected Work - Deep Learning for Deep Breathing https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1665777069360-Y55ZL9JTQI1F2URU9F8G/image-asset.jpg Selected Work - Ommie: Human-Robot Interaction for Mental Health Description. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/62070102-7c21-4fbc-8ff0-af94883a5dcc/Screen+Shot+2022-06-16+at+8.28.36+PM.png Selected Work - Volta: AI-driven Experiences https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655430443145-661SM3FW7TFTGWJI8EOQ/3_Volta-charging-station-designed-by-KISKA_aerial_Landscape-1200x683.jpeg Selected Work - Volta: Next-Gen EV Chargers https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655429314277-QXECGGF7CDPNSIY15IFT/IMG_3133_iphoneseblack_portrait.png Selected Work - Volta: Mobile Experiences https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1524000106413-7TV9P3C9L3T382U3WSRX/ezgif.com-video-to-gif.gif Selected Work https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655430990334-OMLKBI2UVBMXSAI4O5FW/MOTI%2BIcon%2BSkinny_Fem%2BPallate.jpg Selected Work - MOTI: A Social Robot for Better Habits https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655431005329-GXV0Z6HT8EISHGNBQ637/Luna%2BIcon_FP_HD.jpg Selected Work - Luna: Conversational AI for Better Sleep https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1523997187525-43VRWYPIUSDVZJFJ5E0G/0627_Moti_-1805.jpg Selected Work https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1519277166923-939DX5654CS1LSKU59IX/Awards-Banner-Image-2.jpg Selected Work - Design for America: Human-Centered Design Guidebook https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543462089049-ZVFYRPDRHPGQSJL1ME2R/NYR+Bot_FP_HD.png Selected Work - New Years Bot https://www.kaylamatheus.com/publications-1 daily 0.75 2025-04-14 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743734246676-GUXB8D3HC3NKJLHQFUDI/association-for-computing-machinery-acm-logo-png_seeklogo-346735.png Publications - Ommie: The Design and Development of a Social Robot for Anxiety Reduction Kayla Matheus, Marynel Vázquez, and Brian Scassellati. 2025. Ommie: The Design and Development of a Social Robot for Anxiety Reduction. J. Hum.-Robot Interact. 14, 2, Article 31 (June 2025), 34 pages. https://doi.org/10.1145/3706122 Abstract: This article discusses the design, development, and evaluation of Ommie, a novel socially assistive robot that supports deep breathing practices for the purposes of anxiety reduction. Research has shown that practicing deep breathing (breathing while extending one’s inhales, holds, and exhales) has a strong capacity to calm the autonomic nervous system and reduce anxiety. The robot’s primary function is to guide users through a series of deep breaths by way of haptic interactions and audio cues. We utilized a user-centered design approach and present our design methodology in addition to core decisions across robot morphology, tactility, and interactivity. As reported in prior work, the final robot prototype was tested with a two-cohort usability study (n = 43) at a local university wellness center, including participants with anxiety and those with varying levels of experience with deep breathing. Interacting with Ommie resulted in a significant reduction in STAI-6 anxiety measures across all participants, who also found the robot intuitive, approachable, and engaging. Participants also reported feelings of focus and companionship when using the robot, often elicited by the haptic interaction. This article describes how our design process and design goals contributed to these results showing Ommie’s capacity for supporting those with anxiety. Our work also serves as an example of how researchers can design robots for behavioral practices for mental health. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743734246676-GUXB8D3HC3NKJLHQFUDI/association-for-computing-machinery-acm-logo-png_seeklogo-346735.png Publications - Ommie: The Design and Development of a Social Robot for Anxiety Reduction Kayla Matheus, Marynel Vázquez, and Brian Scassellati. 2025. Ommie: The Design and Development of a Social Robot for Anxiety Reduction. J. Hum.-Robot Interact. 14, 2, Article 31 (June 2025), 34 pages. https://doi.org/10.1145/3706122 Abstract: This article discusses the design, development, and evaluation of Ommie, a novel socially assistive robot that supports deep breathing practices for the purposes of anxiety reduction. Research has shown that practicing deep breathing (breathing while extending one’s inhales, holds, and exhales) has a strong capacity to calm the autonomic nervous system and reduce anxiety. The robot’s primary function is to guide users through a series of deep breaths by way of haptic interactions and audio cues. We utilized a user-centered design approach and present our design methodology in addition to core decisions across robot morphology, tactility, and interactivity. As reported in prior work, the final robot prototype was tested with a two-cohort usability study (n = 43) at a local university wellness center, including participants with anxiety and those with varying levels of experience with deep breathing. Interacting with Ommie resulted in a significant reduction in STAI-6 anxiety measures across all participants, who also found the robot intuitive, approachable, and engaging. Participants also reported feelings of focus and companionship when using the robot, often elicited by the haptic interaction. This article describes how our design process and design goals contributed to these results showing Ommie’s capacity for supporting those with anxiety. Our work also serves as an example of how researchers can design robots for behavioral practices for mental health. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743734640954-W7DXY4VNPYH9XL5MB2WL/SIGCHI_Logo.svg.png Publications - Deep Breathing Phase Classification with a Social Robot for Mental Health Kayla Matheus, Ellie Mamantov, Marynel Vázquez, and Brian Scassellati. 2023. Deep Breathing Phase Classification with a Social Robot for Mental Health. In Proceedings of the 25th International Conference on Multimodal Interaction (ICMI '23). Association for Computing Machinery, New York, NY, USA, 153–162. https://doi.org/10.1145/3577190.3614173 Abstract: Social robots are in a unique position to aid mental health by supporting engagement with behavioral interventions. One such behavioral intervention is the practice of deep breathing, which has been shown to physiologically reduce symptoms of anxiety. Multiple robots have been recently developed that support deep breathing, but none yet implement a method to detect how accurately an individual is performing the practice. Detecting breathing phases (i.e., inhaling, breath holding, or exhaling) is a challenge with these robots since often the robot is being manipulated or moved by the user, or the robot itself is moving to generate haptic feedback. Accordingly, we first present OMMDB: a novel, multimodal, public dataset made up of individuals performing deep breathing with an Ommie robot in multiple conditions of robot ego-motion. The dataset includes RGB video, inertial sensor data, and motor encoder data, as well as ground truth breathing data from a respiration belt. Our second contribution features experimental results with a convolutional long-short term memory neural network trained using OMMDB. These results show the system’s ability to be applied to the domain of deep breathing and generalize between individual users. We additionally show that our model is able to generalize across multiple types of robot ego-motion, reducing the need to train individual models for varying human-robot interaction conditions. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743734429119-PKJ3V5DSX7YVCL2ZRDCT/hri2023.png Publications - Socially Assistive Robotics for Anxiety Reduction Kayla Matheus. 2023. Socially Assistive Robotics for Anxiety Reduction. In Companion of the 2023 ACM/IEEE International Conference on Human-Robot Interaction (HRI '23). Association for Computing Machinery, New York, NY, USA, 739–741. https://doi.org/10.1145/3568294.3579970 Abstract: Prior work in HRI for domains such as exercise, rehabilitation, and autism has shown how socially assistive robots (SARs) can successfully support behavioral practices. Applying these insights to mental health is an opportunity to support a large and growing population that is actively struggling. My research investigates utilizing SARs for supporting the therapeutic behavior of deep breathing for anxiety reduction. My prior work to date has focused on the design affordances required for an anxious population through the development of a new, haptically-based robot, Ommie. Future work explores how SARs for anxiety-reducing behaviors can maximize long-term, in-the-wild use through haptic interactions, perception technologies, and personalized motivational mechanisms. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743707902255-H31J4EWPBC114FNKYFJZ/IEEE_logo.svg.png Publications - A Social Robot for Anxiety Reduction via Deep Breathing K. Matheus, M. Vázquez and B. Scassellati, "A Social Robot for Anxiety Reduction via Deep Breathing," 2022 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN), Napoli, Italy, 2022, pp. 89-94, doi: 10.1109/RO-MAN53752.2022.9900638. Abstract: In this paper, we introduce Ommie, a novel robot that supports deep breathing practices for the purposes of anxiety reduction. The robot’s primary function is to guide users through a series of extended inhales, exhales, and holds by way of haptic interactions and audio cues. We present core design decisions during development, such as robot morphology and tactility, as well as the results of a usability study in collaboration with a local wellness center. Interacting with Ommie resulted in a significant reduction in STAI-6 anxiety measures, and participants found the robot intuitive, approachable, and engaging. Participants also reported feelings of focus and companionship when using the robot, often elicited by the haptic interaction. These results show promise in the robot’s capacity for supporting mental health. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1743735501196-MR170K7TLSCQMKPZREHX/IEEE_logo.svg.png Publications - Benchmarking Grasping and Manipulation: Properties of the Objects of Daily Living K. Matheus and A. M. Dollar, "Benchmarking grasping and manipulation: Properties of the Objects of Daily Living," 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, Taipei, Taiwan, 2010, pp. 5020-5027, doi: 10.1109/IROS.2010.5649517. keywords: {Force;Friction;Grasping;Humans;Object recognition;Mobile robots}, Abstract: This paper presents a number of concepts related to benchmarking and evaluation of grasping and manipulation. A set of “Objects of Daily Living” based on a review of common domestic objects for manipulation as identified from sources in the literature is put forward, along with the physical properties of sample objects in those categories. Next, an experimental evaluation of the coefficient of static friction between these objects and a number of common household surfaces is performed. A key failure mode in unstructured object grasping occurs when the manipulator applies large contact forces that move the object out of grasp range. These results therefore give insight into the likelihood of a target object remaining in place to be successfully grasped in the presence of contact forces from the robot arm. This paper also presents a new classification of the Activities of Daily Living (ADLs), putting forth a standard categorization for the application of robotics in human environments. These topics and results have a number of uses related to benchmarking and performance evaluation in robotic manipulation, assistive technology, and prosthetics. https://www.kaylamatheus.com/coming-soon daily 0.75 2018-03-20 https://www.kaylamatheus.com/home daily 1.0 2025-04-03 https://www.kaylamatheus.com/uh-oh daily 0.75 2023-01-24 https://www.kaylamatheus.com/about daily 0.75 2022-06-17 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543204810090-344DSQW63KUY6ZFNN92S/circle+headshot.png About Me https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520565815773-EBEV1X2TBK9AET9R1O98/small+favicon.png About Me https://www.kaylamatheus.com/moti-1 daily 0.75 2019-06-23 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543609742295-KEPIZEA49SCZ8SDMAMQH/Screen+Shot+2018-11-30+at+12.27.42+PM.png MOTI - Legacy MOTI Website A good starting place to learn more about MOTI. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543609686684-P7L7VBU954UY18YW0HVW/Screen+Shot+2018-11-30+at+12.25.46+PM.png MOTI - Kickstarter Page A good overview of the launched product and feature sets. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543609465333-QEAH10RXE3EXNWLTLSDI/image-asset.png MOTI - Beta Research Report A deeper dive into a 35-person beta study. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543712720714-TSZHE9B18PPM4FE4IF2N/Screen+Shot+2018-12-01+at+5.04.44+PM.png MOTI https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543609262491-SIE3XD6D1WTB1KBV42P0/Screen+Shot+2018-11-30+at+12.16.28+PM.png MOTI - Product Development Process Deck A comprehensive visual look at the development of MOTI from end-to-end. See below for highlights. https://www.kaylamatheus.com/consulting daily 0.75 2023-01-24 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520914704989-S48MTMBXNOMZXHOV18HZ/image-asset.png Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1518052198905-I2Y2RC95KDHVFB2BN5GU/Yale_University_logo.png Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517279496803-A2OSAJ18IANE1WLAYC2U/DFA.png Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517279676268-W2GFHUZO2PJ61MGMBXKF/jazz.png Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517279776671-HXLC17T30W2V6PX3I8YL/volta2.jpg Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517279864131-A1U8G8U5GNTV4GB1U6F9/cypre2.jpg Consulting https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520914745249-K0QPFQ656XQLKHN5W0BK/image-asset.png Consulting https://www.kaylamatheus.com/stoolchair daily 0.75 2018-11-29 https://www.kaylamatheus.com/sixaxis daily 0.75 2018-11-29 https://www.kaylamatheus.com/pyramid daily 0.75 2018-12-02 https://www.kaylamatheus.com/jackettent daily 0.75 2018-11-29 https://www.kaylamatheus.com/pencil-1 daily 0.75 2018-11-29 https://www.kaylamatheus.com/iterative-calendar-1 daily 0.75 2018-11-29 https://www.kaylamatheus.com/knots daily 0.75 2018-11-29 https://www.kaylamatheus.com/work-old daily 0.75 2023-01-24 https://www.kaylamatheus.com/malaria-prevention daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543648850694-4OSYMOW45T8YBT5AKNBL/1a.png Malaria Prevention https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543648867007-GY73GWIGQXM9MKR6CULA/image-asset.jpeg Malaria Prevention https://www.kaylamatheus.com/new-years-bot daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543732619891-PR50FCRJ7MP3KHIR5SMU/email+ai+explain.png New Years Bot https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543469469941-87F5RQIOAQUYO8JCV459/1_MOTI+AI+home+screen_cropped_fixed.png New Years Bot https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543469504707-ZHDJO0297FVQYENWE200/2_MOTI+AI+Chat+screen_cropped.png New Years Bot https://www.kaylamatheus.com/about-1 daily 0.75 2018-03-13 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520839913579-JNO88042CCON6YP8Q09E/CKs2J_bWsAQC8dD.jpg Copy of About Me Put a quick blurb about me here....... Over the years I've transformed from an engineer and artist, to an educator and designer, and now to a strategist and entrepreneur. Read below for more. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517379398603-RH6N6PSBNO9IHLYPOMRJ/CKs2J_bWsAQC8dD.jpg Copy of About Me - Phase 4: Entrepreneur, Social Robotics and AI - 30 Weeks Acceptance - Building of MOTI - Highway1 - Selling >100k? Raising funding round. Growing team to 6? https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520565783970-SFH9SH7KETS0PXW4K7VV/small+favicon.png Copy of About Me https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520566638075-QUNUT7695G9GULGZ5780/DSC_5979.jpg Copy of About Me - Phase 1: Student, Engineering and Art Phase 1: Student, Engineering and Art - Double Major in Art and Engineering - Yale University - To see work, go here. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517299576121-JDA9TVIG1N6F8RNVA327/gender-bias-students.jpg Copy of About Me - Phase 2: Educator, Design and Innovation - CEID - Youngest instructor for design thinking. - Core77 Award - Design for America across the country workshops at Yale, Stanford, Dartmouth, etc. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517380019906-O4QSOOCVJFZK0ML49INE/IMG_7520.JPG Copy of About Me - Phase 3: Professional, Design and Innovation - Contract work in ME - SC Johnson, https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1517380160084-ISC8NLF7OBPRUG0JIASO/IMG_0545.jpg Copy of About Me - Phase 5: Strategist, Product and Future User Experiences - Consulting work on the future of EV charging, the future of social robotics, and the future of I/O drug discovery research? - Specific help in product strategy, road-mapping, and management. - Utilize skills in design, engineering, and entrepreneurship to take a holistic approach to their product needs. https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520565815773-EBEV1X2TBK9AET9R1O98/small+favicon.png Copy of About Me https://www.kaylamatheus.com/work-alt daily 0.75 2018-03-12 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520832790072-XND7NS1SM357LSL02DNQ/Venn+Diagram+Artboard+Full.png Work Alt https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1520831282683-X4JHVLN18BW28N31XFZI/image-asset.png Work Alt https://www.kaylamatheus.com/luna daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1524000106413-7TV9P3C9L3T382U3WSRX/ezgif.com-video-to-gif.gif Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543613606401-CGIQ14S7DE69KKQI6ZUE/image-asset.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543612392573-NJ67W0HK39H1Q51DLV4T/Screen+Shot+2018-11-30+at+1.09.48+PM.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543612501323-MCFQLS5DTK8D0JZ038O1/image-asset.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543612425885-DIYVWDS35Q2PV98DK2V3/image-asset.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543612697744-S3BR3SJ5OTPZQRS6654Y/Screen+Shot+2018-11-30+at+1.10.15+PM.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543647205867-LXKFKY8G6EVPRE9USH5Z/Screen+Shot+2018-11-30+at+1.05.23+PM.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543708780896-AH9V2BXUJ46UMMHG0FH0/phasespercentageswithab.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543708839945-G1XEJYH60V78F6VP7CJB/phasethree.png Luna https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543698039753-V0UNHEJJVKARE7YKQD69/Screen+Shot+2018-12-01+at+12.59.53+PM.png Luna - Lecture on Conversational AI Design This presentation uses my experience with building Luna as a basis to teach some of the best practices with conversational AI design. https://www.kaylamatheus.com/volta-strategy-hmi daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543647920553-KSCERKHOE6WKKYTW32AO/image-asset.jpeg Volta Strategy & HMI https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543647878535-7U6Z0FAGAFT7OL7KM8DX/VOLTA_TeslaGuy_MSartain_NestGreen_ALL.jpg Volta Strategy & HMI https://www.kaylamatheus.com/kaylabot daily 0.75 2019-07-08 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1524003794123-AGM92UWKWDWNXROMJJF1/kaylabot+img.png Kaylabot https://www.kaylamatheus.com/moti-ideal daily 0.75 2018-04-17 https://www.kaylamatheus.com/cassava-dryer daily 0.75 2018-12-02 https://www.kaylamatheus.com/mit-portfolio daily 0.75 2018-12-02 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543205402439-ME584P1T61F4YANK2RGB/Hello-MIT.png MIT Portfolio https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543376230517-KOTIWNO5UGUJPG4XX5RR/Hello-MIT.png MIT Portfolio https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543378706821-NLXCNK0MZS11CM3PGEDZ/MOTI+Icon+Skinny_Fem+Pallate.png MIT Portfolio - MOTI A social robot for building daily wellness habits. My roles: inventor, founder, CEO, researcher, mechanical engineer, firmware engineer, product manager, designer (physical product, behavioral, and brand), marketer, and more. Skills showcased: • Robot/hardware UX • Behavioral design • Mechanical engineering • Mobile design • Firmware development • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543379153439-U17EBBUFTFY7878YO8RK/Luna+Icon_FP_HD.png MIT Portfolio - Luna A conversational AI companion for sleep behaviors. My roles: inventor, founder, researcher, conversational designer, behavioral designer, technical product manager. Skills showcased: • Conversational agent design • Behavioral design • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543455793925-U59NJI4FZ8BN3I4D02FB/image-asset.jpeg MIT Portfolio - Under-actuated Prosthetic Hand The form factor and manufacturing development of a purposefully-minimal prosthetic hand with the Yale GRAB Lab. My roles: humanoid CAD design, manufacturing (3D printing, resin casting, CNC milling), testing support. Skills showcased: Lab research • Human-centered design • Mechanical engineering • Rapid prototyping https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543455836889-9HLB82DUF35R3XY6ERCY/sixaixs+detail+2+2.png MIT Portfolio - Sixaxis, Gill Sans & Garamond, and 47.2 Degrees Explorations into the concept of negative space, typography, and the translation from two to three dimensions. My roles: artist, fabricator. Skills showcased: Raw creativity • Intellectual variations on a theme • Blend of engineering + art https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543641457726-GL776YS69NP8N1EMA5CJ/jacket+main.jpg MIT Portfolio - Jacket-Tent A study on the intersection of fashion and shelter. My roles: artist, fabricator. Skills showcased: Raw creativity • Blend of engineering + art https://www.kaylamatheus.com/energy-harvesting-door-opener daily 0.75 2018-12-02 https://www.kaylamatheus.com/prosthetic-hand daily 0.75 2018-12-02 https://www.kaylamatheus.com/spray-foam-printer daily 0.75 2018-12-02 https://www.kaylamatheus.com/luna-architecture daily 0.75 2018-12-01 https://www.kaylamatheus.com/mit-statement-of-objectives daily 0.75 2018-12-02 https://www.kaylamatheus.com/hopelab-fellowship daily 0.75 2019-07-06 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543205402439-ME584P1T61F4YANK2RGB/Hello-MIT.png Hopelab Fellowship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1562453735076-JMI4ZBE6HX9LCADHBBLM/hello+hopelab.png Hopelab Fellowship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543378706821-NLXCNK0MZS11CM3PGEDZ/MOTI+Icon+Skinny_Fem+Pallate.png Hopelab Fellowship - MOTI A social robot for building daily wellness habits. My roles: inventor, founder, CEO, researcher, mechanical engineer, firmware engineer, product manager, designer (physical product, behavioral, and brand), marketer, and more. Skills showcased: • Robot/hardware UX • Behavioral design • Mechanical engineering • Mobile design • Firmware development • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543379153439-U17EBBUFTFY7878YO8RK/Luna+Icon_FP_HD.png Hopelab Fellowship - Luna A conversational AI companion for sleep behaviors. My roles: inventor, founder, researcher, conversational designer, behavioral designer, technical product manager. Skills showcased: • Conversational agent design • Behavioral design • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543455793925-U59NJI4FZ8BN3I4D02FB/image-asset.jpeg Hopelab Fellowship - KaylaBot The form factor and manufacturing development of a purposefully-minimal prosthetic hand with the Yale GRAB Lab. My roles: humanoid CAD design, manufacturing (3D printing, resin casting, CNC milling), testing support. Skills showcased: Lab research • Human-centered design • Mechanical engineering • Rapid prototyping https://www.kaylamatheus.com/yale-portfolio daily 0.75 2020-01-03 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543205402439-ME584P1T61F4YANK2RGB/Hello-MIT.png Yale Portfolio https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543378706821-NLXCNK0MZS11CM3PGEDZ/MOTI+Icon+Skinny_Fem+Pallate.png Yale Portfolio - MOTI A social robot for building daily wellness habits. My roles: inventor, founder, CEO, researcher, mechanical engineer, firmware engineer, product manager, designer (physical product, behavioral, and brand), marketer, and more. Skills showcased: • Robot/hardware UX • Behavioral design • Mechanical engineering • Mobile design • Firmware development • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543379153439-U17EBBUFTFY7878YO8RK/Luna+Icon_FP_HD.png Yale Portfolio - Luna A conversational AI companion for sleep behaviors. My roles: inventor, founder, researcher, conversational designer, behavioral designer, technical product manager. Skills showcased: • Conversational agent design • Behavioral design • Iterative prototyping + testing • Entrepreneurship https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543455793925-U59NJI4FZ8BN3I4D02FB/image-asset.jpeg Yale Portfolio - Under-actuated Prosthetic Hand The form factor and manufacturing development of a purposefully-minimal prosthetic hand with the Yale GRAB Lab. My roles: humanoid CAD design, manufacturing (3D printing, resin casting, CNC milling), testing support. Skills showcased: Lab research • Human-centered design • Mechanical engineering • Rapid prototyping https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1543455836889-9HLB82DUF35R3XY6ERCY/sixaixs+detail+2+2.png Yale Portfolio - Sixaxis, Gill Sans & Garamond, and 47.2 Degrees Explorations into the concept of negative space, typography, and the translation from two to three dimensions. My roles: artist, fabricator. Skills showcased: Creativity • Intellectual variations on a theme • Blend of engineering + art https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1577993062285-7ANYIUGQZEL674YTWTBY/jacket2.jpg Yale Portfolio - Jacket-Tent A study on the intersection of fashion and shelter. My roles: artist, fabricator. Skills showcased: Creativity • Blend of engineering + art https://www.kaylamatheus.com/volta-electric-vehicle-charging-stations daily 0.75 2020-02-02 https://www.kaylamatheus.com/volta-mobile-application daily 0.75 2020-02-02 https://www.kaylamatheus.com/volta-vision daily 0.75 2020-02-02 https://www.kaylamatheus.com/ommie daily 0.75 2025-04-14 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/84365d02-1f84-4c0d-9e84-128ce248ef00/heroshot2right.png Ommie - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.kaylamatheus.com/volta daily 0.75 2022-06-17 https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655428357537-B8765L1568H5O9SQ59KU/volta%2Bstation.jpg Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655428283897-H4XE2UH6N0LLAHTU90M5/3_Volta-charging-station-designed-by-KISKA_aerial_Landscape-1200x683.jpeg Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655428287300-4FQ1NVDIK9CXSQYBY0OS/Volta-Custom-EV-Station-Application-3-800x450.jpeg Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655427956217-8U58K0WIKDNJP4FCHD0V/IMG_1479+2.JPG Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655428563272-JWI3OUKOQ1ELFG0OS3LM/Screen+Shot+2022-06-16+at+9.15.11+PM.png Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655428563336-BTFARY2TAE77AX01IXHR/Screen+Shot+2022-06-16+at+9.15.33+PM.png Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655429314277-QXECGGF7CDPNSIY15IFT/IMG_3133_iphoneseblack_portrait.png Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655429313606-TB18NRYTY1RNHNXTJ50Z/IMG_3132_iphoneseblack_portrait.png Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/1655429313333-CF3HCPBPHCQI9WJ4K0OQ/IMG_3129_iphoneseblack_portrait.png Volta Charging https://images.squarespace-cdn.com/content/v1/5a667284cd39c3fc2bba66fa/b956282d-7e72-431a-8e76-f015d4851d69/Screen+Shot+2022-06-16+at+8.28.36+PM.png Volta Charging - 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