Publications

Real-time Puncture Detection and Recovery for Pneumatic Soft Actuators

Tejonidhi R Deshpande, Tingyu Cheng, Josiah Hester

IEEE International Conference on Robotics and Automation (ICRA’26)

A Greener Edge: A Framework on Carbon-aware Edge ML System Design

Xuesi Chen, Ilan Mandel, Eren Yildiz, Josiah Hester, Udit Gupta

ACM International Conference on Mobile Systems, Applications, and Services (MobiSys’26)

BIONIC: A Co-Designed Hardware and Runtime for Time-Sensitive Battery-Free IoT

Eren Yildiz, Davide Cavedon, Stefano Antonio Putelli, Josiah Hester, Kasim Sinan Yildirim

ACM International Conference on Mobile Systems, Applications, and Services (MobiSys’26)

Kumu Connect: Culturally-Authentic AI Tools to Enable Educator Agency and Data Sovereignty for Hawaiian K-12 CS Education

Rachel Baker-Ramos, Manas Mhasakar, Viswak Raja, Evyn-Bree Helekahi-Kaiwi, William Gelder, Benjamin Carter, Rebecca Diego, Alex Cabral, Josiah Hester

25th Interaction Design and Children Conference (IDC’26) (Best Paper Honorable Mention — Top 3 papers)

When LLMs Slow Down: How Environmental Impacts Mediate University Students’ LLM Usage

Hyeonwook Kim, Xuesi Chen, Alex Cabral, Cindy Lin, Udit Gupta, Josiah Hester

International Conference on ICT for Sustainability (ICT4S’26)

Buoy Meets World: Aquatic Sensing Insights from 169 Days of Low-cost Wetland Buoy Deployments

Eric Greenlee, Blaine Rothrock, Cody Atchinson, Chris McNerney, Ellen Zegura, Josiah Hester, Alex Cabral

International Conference on ICT for Sustainability (ICT4S’26)

SpiderCam: Low-Power Snapshot Depth from Differential Defocus

Marcos A. Ferreira, Tianao Li, John Mamish, Josiah Hester, Yaman Sangar, Qi Guo, Emma Alexander

Proceedings of the Computer Vision and Pattern Recognition Conference (CVPR’26) (Highlight Paper — Top 3% of accepted papers)

ENTS: Experiences in Co-Designed Environmental Sensing

John Madden, Stephen Taylor, Laura Jaliff, Aaron Wu, Alec Levy, Jack Lin, Ahmed Falah, Tyler Potyondy, Josiah Hester, George Wells, Yaman Sangar, Pat Pannuto, Colleen Josephson

20th ACM Conference on Embedded Networked Sensor Systems (SenSys’26)

Whose Knowledge Counts? Co-Designing Community-Centered AI Auditing Tools with Educators in Hawai‘i

Dora Zhao, Hannah Cha, Michael J Ryan, Angelina Wang, Rachel Baker-Ramos, Evyn-Bree Helekahi-Kaiwi, Rebecca Diego, Josiah Hester, Diyi Yang

ACM Conference on Human Factors in Computing Systems (CHI’26)

Noondawind: Co-Designed Dashboard for Indigenous Data Access and Environmental Policy Implementation

Julia Aileen McKenna, Gabriela Buraglia, Jahanvi Kolakaluri, Rachel Baker-Ramos, Samantha Carter, Joe Graveen, Jonathan Gilbert, James Rasmussen, Brandon Byrne, Darren Vogt, Josiah Hester, Kim Marion Suiseeya, Alex Cabral

ACM Conference on Human Factors in Computing Systems (CHI’26) (Best Paper Honorable Mention — Top 5% of accepted papers)

SoundOff: Low-cost Passive Ultrasound Tags for Non-invasive and Non-Intrusive Smart Home Sensing

Yibo Fu, Vivian Shen, Víctor Riera Naranjo, Bolei Deng, Alex Adams, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’26) — Published in PACM IMWUT, Volume 9, Issue 4, Article 174 (Dec 2025)

Designing Loofah Wearables for Embodied Ecological Reflection

Yingting Gao, Jing Xie, Fiona Bell, Alex Cabral, Josiah Hester, HyunJoo Oh

ACM International Conference on Tangible, Embedded, and Embodied Interaction (TEI’26)

Sustaining Workers Who Sustain the World: Assets-Based Design for Conservation Technologies in Madagascar

Eric Greenlee, David Klinges, Lalatiana Odile Randriamiharisoa, Kim Valenta, Jhoanny Rasojivola, Justorien Rambeloniaina, Nicolas Naina Rasolonjatovo, Georges Razafindramavo, Joel Ratsirarson, Zovelosoa Raharinavalomanana, Edouard Ramahatratra, Abigail Ross, Thomas J Kelly, Jean Claude Rakotoarivelo, Tafitasoa Mijoro, Eric Tsiriniaina Rajoelison, Efitiria Efitiria, Josiah Hester, Ellen Zegura, Alex Cabral

ACM Conference on Computer-Supported Cooperative Work & Social Computing (CSCW’25) (Best Paper Honorable Mention — Top 5% of accepted papers) (Special Recognition for Contributions to Diversity and Inclusion)

DissolvPCB: Fully Recyclable 3D-Printed Electronics with Liquid Metal Conductors and PVA Substrates

Zeyu Yan, Su Hwan Hong, Josiah Hester, Tingyu Cheng, Huaishu Peng

ACM Symposium on User Interface Software and Technology (UIST’25) (Best Paper Award — Top 3% of accepted papers)

DropPop: Designing Drop-to-Deploy Mechanisms with Bistable Scissors Structures

Yibo Fu, Emily Guan, Jianzhe Gu, Dinesh Patel, Justin Soza Soto, Yichi Luo, Carmel Majidi, Josiah Hester, Lining Yao

ACM Symposium on User Interface Software and Technology (UIST’25)

BIOGEM: A Fully Biodegradable Gelatin-Based McKibben Actuator with Embedded Sensing

Gaolin Ge, Haoran Lu, Yingting Gao, Qifeng Yang, Josiah Hester, Tingyu Cheng, Yiyue Luo

ACM Symposium on User Interface Software and Technology (UIST’25)

Makak: Co-designing Environmental Sensors to Protect Manoomin (Wild Rice)

Blaine Rothrock, Eric Greenlee, Yaman Sangar, Julia McKenna, William Graveen, Kristen Hanson, Melissa Lewis, Kathleen Smith, Miles Falck, Brandon Byrne, Darren Vogt, Kimberly R Marion Suiseeya, Ellen Zegura, Josiah Hester, Alex Cabral

ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (COMPASS’25)

Bringing Context to the Underserved: Rethinking Context-Aware Design to Bridge the Digital Divide

Summit Shrestha, Josiah Hester, Ashutosh Dhekne, Umakishore Ramachandran, Alex Cabral

ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (COMPASS’25)

Focal Split: Untethered Snapshot Depth from Differential Defocus

Junjie Luo, John Mamish, Alan Fu, Thomas Concannon, Josiah Hester, Emma Alexander, Qi Guo

Proceedings of the Computer Vision and Pattern Recognition Conference (CVPR’25), pp. 26965–26974

Kumu Connect: Design Thinking for Place-Based Generative Educational Technology in Hawaiian Immersion Schools

Rachel Baker-Ramos, Will Gelder, Leah Cho, Jahnavi Kolakaluri, Josiah Hester

Conference on Research on Equitable and Sustained Participation in Engineering, Computing, and Technology (RESPECT’25), pp. 186–195

User-directed Assembly Code Transformations Enabling Efficient Batteryless Arduino Applications

Christopher Kraemer, Will Gelder, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’24) — Published in PACM IMWUT, Volume 8, Issue 2, Article 44 (May 2024)

“Those Don’t Work for Us”: An Assets-Based Approach to Incorporating Emerging Technologies in Viable Hawaiian Teacher Support Tools for Culturally Relevant CS Education

Will Gelder, Rachel Baker-Ramos, Leah Cho, Jahnavi Kolakaluri, Judith Uchidiuno, Josiah Hester

ACM Conference for Research on Equitable and Sustained Participation in Engineering, Computing, and Technology (RESPECT’24), pp. 224–230

Mālama ‘Āina through Micro:bits in Kāne‘ohe: A Place-Based Approach to Teaching CS in a Kaiapuni (Hawaiian Immersion) Bilingual School Setting

Amanda Nelson, Amy Guo, Marcelo Worsley, Derek Esibill, Josiah Hester

Conference on Research in Equitable and Sustained Participation in Engineering, Computing, and Technology (RESPECT’23), pp. 124–132, IEEE

Soil-Powered Computing: The Engineer’s Guide to Practical Soil Microbial Fuel Cell Design

Bill Yen, Laura Jaliff, Louis Gutierrez, Philothei Sahinidis, Sadie Bernstein, John Madden, Stephen Taylor, Colleen Josephson, Pat Pannuto, Weitao Shuai, George Wells, Nivedita Arora, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’24) — Published in PACM IMWUT, Volume 7, Issue 4 (Dec 2023) (Prototypes for Humanity Award, Energy Category) (Fast Company Innovation by Design Honorable Mention, Sustainability) (Fast Company Innovation by Design Honorable Mention, Student Category)

Interaction Harvesting: A Design Probe of User-Powered Widgets

John Mamish, Amy Guo, Thomas Cohen, Julian Richey, Yang Zhang, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’23) — Published in PACM IMWUT, Volume 7, Issue 3 (Sep 2023) (Fast Company Innovation by Design Award Finalist, Experimental Category) (Fast Company Innovation by Design Award Finalist, Student Category)

Characterizing and Mitigating Touchtone Eavesdropping in Smartphone Motion Sensors

Connor Bolton, Yan Long, Jun Han, Josiah Hester, Kevin Fu

26th Intl. Symposium on Research in Attacks, Intrusions and Defenses (RAID’23)

Efficient and Safe I/O Operations for Intermittent Systems

Eren Yıldız, Saad Ahmed, Bashima Islam, Josiah Hester, Kasım Sinan Yıldırım

18th ACM European Conference on Computer Systems (EuroSys’23)

Experience: Barriers and Opportunities of Wearables for Eating Research

Mahdi Pedram, Glenn Fernandes, Christopher Romano, Boyang Wei, Sougata Sen, Josiah Hester, Nabil Alshurafa

ACM Conference on Human Factors in Computing Systems, Extended Abstracts (CHI EA’23)

EquityWare: Co-Designing Wearables With and For Low Income Communities in the U.S.

Stefany Cruz, Alexander Redding, Connie Chau, Claire Lu, Julia Persche, Josiah Hester, Maia Jacobs

ACM Conference on Human Factors in Computing Systems (CHI’23)

SmokeMon: Unobtrusive Extraction of Smoking Topography Using Wearable Energy-Efficient Thermal

Rawan Alharbi, Soroush Shahi, Stefany Cruz, Lingfeng Li, Sougata Sen, Mahdi Pedram, Christopher Romano, Josiah Hester, Aggelos K. Katsaggelos, Nabil Alshurafa

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’23) — Published in PACM IMWUT, Volume 6, Issue 4 (Dec 2022)

Protean: An Energy-Efficient and Heterogeneous Platform for Adaptive and Hardware-Accelerated Battery-free Computing

Abu Bakar, Rishabh Goel, Jasper de Winkel, Jason Huang, Saad Ahmed, Bashima Islam, Przemysław Pawełczak, Kasım Sinan Yıldırım, Josiah Hester

20th ACM Conference on Embedded Networked Sensor Systems (SenSys’22) (ACM SIGMOBILE Research Highlight 2023, GetMobile)

MiniKers: Interaction-Powered Smart Environment Automation

Xiaoying Yang, Jacob Sayono, Jess Xu, Jiahao Li, Josiah Hester, Yang Zhang

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’22) — Published in PACM IMWUT, Volume 6, Issue 3 (Sep 2022)

WARio: Efficient Code Generation for Intermittent Computing

Vito Kortbeek, Souradip Ghosh, Josiah Hester, Simone Campanoni, Przemysław Pawełczak

43rd ACM Conference on Programming Language Design and Implementation (PLDI’22)

Battery-free MakeCode: Accessible Programming for Intermittent Computing

Christopher Kraemer, Amy Guo, Saad Ahmed, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’22) — Published in PACM IMWUT, Volume 6, Issue 1 (Mar 2022)

FaceBit: Smart Face Masks Platform

Alexander Curtiss, Blaine Rothrock, Abu Bakar, Nivedita Arora, Jason Huang, Zachary Englehardt, Aaron-Patrick Empedrado, Chixiang Wang, Saad Ahmed, Yang Zhang, Nabil Alshurafa, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’22) — Published in PACM IMWUT, Volume 5, Issue 4 (Dec 2021) (Fast Company Innovation by Design Award Finalist, Student Category)

ActiSight: Wearer Foreground Extraction Using a Practical RGB-Thermal Wearable

Rawan Alharbi, Sougata Sen, Ada Ng, Nabil Alshurafa, Josiah Hester

20th IEEE Intl. Conference on Pervasive Computing and Communications (PerCom’22)

AdaSens: Adaptive Environment Monitoring by Coordinating Intermittently-Powered Sensors

Shuyue Lan, Zhilu Wang, John Mamish, Josiah Hester, Qi Zhu

27th Asia and South Pacific Design Automation Conference (ASP-DAC’22)

REHASH: A Flexible, Developer Focused, Heuristic Adaptation Platform for Intermittently Powered Computing

Abu Bakar, Alexander Ross, K.S. Yildirim, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’21) — Published in PACM IMWUT, Volume 5, Issue 3 (Sep 2021) (ACM SIGMOBILE Research Highlight 2022, GetMobile)

VeriMask: Facilitating Decontamination of N95 Masks in the COVID-19 Pandemic: Challenges, Lessons Learned, and Safeguarding the Future

Yan Long, Alexander Curtiss, Sara Rampazzi, Josiah Hester, Kevin Fu

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’21) — Published in PACM IMWUT, Volume 5, Issue 3 (Sep 2021) (ACM SIGMOBILE Research Highlight 2022, GetMobile) (Best Poster Award Runner-Up, COVID-19 Response Research, SenSys’21)

SoK: Context Sensing for Access Control in the Adversarial Home IoT

Weijia He, Valerie Zhao, Olivia Morkved, Sabeeka Siddiqui, Earlence Fernandes, Josiah Hester, Blase Ur

IEEE European Symposium on Security and Privacy (EuroS&P’21)

BFree: Enabling Battery-Free Sensor Prototyping with Python

Vito Kortbeek, Abu Bakar, Stefany Cruz, K.S. Yildirim, Przemysław Pawełczak, Josiah Hester

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’21) — Published in PACM IMWUT, Volume 4, Issue 4 (Dec 2020)

Battery-free Game Boy

Jasper de Winkel, Vito Kortbeek, Josiah Hester, Przemysław Pawełczak

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’20) — Published in PACM IMWUT, Volume 4, Issue 3 (Sep 2020) (Distinguished Paper Award, IMWUT Vol. 4 — Top 3% of accepted papers) (ACM SIGMOBILE Research Highlight 2021, GetMobile) (Guinness World Records 2022, Cutting Edge Science) (Best Presentation Award — Audience Choice)

NeckSense: A Multi-Sensor Necklace for Detecting Eating Activities in Free-Living Conditions

Shibo Zhang, Yuqi Zhao, Dzung Nguyen, Runsheng Xu, Sougata Sen, Josiah Hester, Nabil Alshurafa

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’20) — Published in PACM IMWUT, Volume 4, Issue 2 (Jun 2020) (Best Presentation Award — Audience Choice, Runner-Up)

Reliable Timekeeping for Intermittent Computing

Jasper de Winkel, Carlo Delle Donne, Kasim Sinan Yildirim, Przemysław Pawełczak, Josiah Hester

Architectural Support for Programming Languages and Operating Systems (ASPLOS’20)

Time-sensitive Intermittent Computing Meets Legacy Software

Vito Kortbeek, Kasim Sinan Yildirim, Abu Bakar, Jacob Sorber, Josiah Hester, Przemysław Pawełczak

Architectural Support for Programming Languages and Operating Systems (ASPLOS’20)

Experience: Design, Development and Evaluation of a Wearable Device for mHealth Applications

George Boateng, Varun Mishra, Vivian Motti, John Batsis, Josiah Hester, Dave Kotz

25th Annual Conference on Mobile Computing and Networking (MobiCom’19)

To Mask? Or Not to Mask: Balancing Privacy with Visual Confirmation Utility in Activity-Oriented Wearable Cameras

Rawan Alharbi, Mariam Tolba, Lucia Petito, Josiah Hester, Nabil Alshurafa

ACM Conference on Pervasive and Ubiquitous Computing (UbiComp’19) — Published in PACM IMWUT, Volume 3, Issue 3 (Sep 2019)

InK: Reactive Kernel for Tiny Batteryless Sensors

Kasim S. Yildirim, Amjad Majid, Dimitris Patoukas, Koen Schaper, Przemek Pawelczak, Josiah Hester

16th ACM Conference on Embedded Networked Sensor Systems (SenSys’18)

Application Memory Isolation on Ultra-Low-Power MCUs

Taylor Hardin, Ryan Scott, Patrick Proctor, Josiah Hester, Jacob Sorber, David Kotz

2018 USENIX Annual Technical Conference (USENIX ATC’18)

The Future of Sensing Is Batteryless, Intermittent, and Awesome

Josiah Hester, Jacob Sorber

15th ACM Conference on Embedded Networked Sensor Systems (SenSys’17)

Flicker: Rapid Prototyping for the Batteryless Internet-of-Things

Josiah Hester, Jacob Sorber

15th ACM Conference on Embedded Networked Sensor Systems (SenSys’17) (Best Paper Nominee — Top 3%)

Timely Execution on Intermittently Powered Batteryless Sensors

Josiah Hester, Kevin Storer, Jacob Sorber

15th ACM Conference on Embedded Networked Sensor Systems (SenSys’17)

Amulet: An Energy-Efficient, Multi-Application Wearable Platform

Josiah Hester, Tianlong Yun, Travis Peters, Ron Peterson, Joseph Skinner, Bhargav Golla, Kevin Storer, S. Hearndon, Kevin Freeman, Sarah Lord, Ryan Halter, David Kotz, Jacob Sorber

14th ACM Conference on Embedded Networked Sensor Systems (SenSys’16)

Tragedy of the Coulombs: Federating Energy Storage for Tiny, Intermittently-Powered Sensors

Josiah Hester, Lanny Sitanayah, Jacob Sorber

13th ACM Conference on Embedded Networked Sensor Systems (SenSys’15)

Ekho: Realistic and Repeatable Experimentation for Tiny Energy-Harvesting Sensors

Josiah Hester, Timothy Scott, Jacob Sorber

12th ACM Conference on Embedded Networked Sensor Systems (SenSys’14) (Best Paper Award)

SCRIBE Design and Validation: Simultaneous Cardiac and Respiratory Impedance Biomarkers with Electromechanics

Jacob M Cook, Chuoqi Chen, Fatih B Inan, Christopher J Nichols, Farhan N Rahman, Afra Nawar, Lara J Reichelt, Michael Cho, Yaman Sangar, Josiah Hester, Omer T Inan

IEEE Sensors Journal (2026)

Design of a Wireless, Fully Implantable Platform for In-Situ Oxygenation of Encapsulated Cell Therapies

Chris Wright, Abhijith Surendran, Inkyu Lee, Juan E Villacres, Alex Ezerins, Alexander Curtiss, Nathan Brown, Junyi Liu, Blaine Rothrock, Peter Rios, Daisy Lopez, Ira Joshi, Hafsa Nasir, Han Wang, Cody Fell, Anthony Davis, Jose Oberholzer, Josiah Hester, Tzahi Cohen-Karni, Jonathan Rivnay, Omid Veiseh

Device, Cell Press (2026)

Optimization and Control of Actuator Networks in Variable Geometry Truss Systems Using Genetic Algorithms

Jianzhe Gu, Ziwen Ye, Tucker Rae-Grant, Shuhong Wang, Ding Zhao, Josiah Hester, Victoria A. Webster-Wood, Lining Yao

Nature Communications, 16, Article 8432 (2025)

From Component to System: Rethinking Edge Computing Design Through a Carbon-Aware Lens

Xuesi Chen, Ariel Goldner, Eren Yildiz, Ilan Mandel, Tingyu Cheng, Josiah Hester, Udit Gupta

ACM SIGENERGY Energy Informatics Review 5, no. 2 (2025): 125–131

Development of a Battery Free, Solar Powered, and Energy Aware Fixed Wing Unmanned Aerial Vehicle

Jackson Liller, Rishabh Goel, Abdul Aziz, Josiah Hester, Phuc Nguyen

Scientific Reports 15, no. 1 (2025): 6141

Slower Is Greener: Acceptance of Eco-feedback Interventions on Carbon Heavy Internet Services

Hyeonwook Kim, Sydney Young, Xuesi Chen, Udit Gupta, Josiah Hester

ACM Journal on Computing and Sustainable Societies 3, no. 2 (2025): 1–21

“The Devil You Know”: Barriers and Opportunities for Co-Designing Microclimate Sensors, A Case Study of Manoomin

Eric Greenlee, Blaine Rothrock, Hyeonwook Kim, Ellen Zegura, Josiah Hester

ACM Journal on Computing and Sustainable Societies 2, no. 3 (2024): 1–30

Bioinspired Camouflage Fibers with Computer Vision-Guided Chromatic Adaptation

Luyao Huang, Tingyu Cheng, Xianzhe Zhang, Haichao Zhang, Tejonidhi Deshpande, Yuanqiao Li, Zhi Xu, Gregory D. Abowd, Yun Fu, Yongmin Liu, Josiah Hester, Jun Li, Hongli Zhu

ACS Nano 19, no. 21 (2025): 19697–19705

Empowering Users to Make Sustainability-Forward Decisions for Computing Services

Sydney Young, Udit Gupta, Josiah Hester

Communications of the ACM, Volume 68, no. 7 (June 2025): 80–85

NIR-sighted: A Programmable Streaming Architecture for Low-Energy Human-Centric Vision Applications

John Mamish, Yaman Sangar, Rawan Alharbi, Panchami Kamath, Sougata Sen, Shashank Holla, Nabil Alshurafa, Josiah Hester

ACM Transactions on Embedded Computing Systems, Volume 23, Issue 6 (Sep 2024), Article 101, pp. 1–26

Perceptions of Wearable Health Tools Post the COVID-19 Emergency in Low-Income Latin Communities: Qualitative Study

Stefany Cruz, Claire Lu, Mara Ulloa, Alexander Redding, Josiah Hester, Maia Jacobs

JMIR mHealth and uHealth, Volume 12 (2024)

Greentooth: Robust and Energy Efficient Wireless Networking for Batteryless Devices

Simeon Babatunde, Arwa Alsubhi, Josiah Hester, Jacob Sorber

ACM Transactions on Sensor Networks, Volume 20, Issue 3, Article 66, pp. 1–31

The Internet of Batteryless Things

Saad Ahmed, Bashima Islam, Kasim Sinan Yildirim, Marco Zimmerling, Przemysław Pawełczak, Muhammad Hamad Alizai, Brandon Lucia, Luca Mottola, Jacob Sorber, Josiah Hester

Communications of the ACM 67, no. 3 (March 2024): 64–73 (CACM Cover Feature)

Electrocatalytic On-Site Oxygenation for Transplanted Cell-Based Therapies

Inkyu Lee, Abhijith Surendran, Samantha Fleury, Ian Gimino, Alexander Curtiss, Cody Fell, Daniel Shiwarski, Omar El-Refy, Blaine Rothrock, Seonghan Jo, Tim Schwartzkopf, Abijeet Singh Mehta, Sharon John, Xudong Ji, Georgios Nikiforidis, Adam Feinberg, Josiah Hester, Douglas J. Weber, Omid Veiseh, Jonathan Rivnay, Tzahi Cohen-Karni

Nature Communications, 14, Article 7019 (2023)

User-Centered Perspectives on the Design of Batteryless Wearables

Arwa Alsubhi, Reza Ghaiumy Anaraky, Simeon Babatunde, Abu Bakar, Thomas Cohen, Josiah Hester, Bart Knijnenburg, Jacob Sorber

International Journal of Human–Computer Interaction, Volume 39, Issue 1 (Nov 2023)

Rationale and Design of the SenseWhy Project: A Passive Sensing and Ecological Momentary Assessment Study on Characteristics of Overeating Episodes

Nabil I. Alshurafa, Tammy K. Stump, Christopher S. Romano, Angela F. Pfammatter, Annie W. Lin, Josiah Hester, Donald Hedeker, Evan Forman, Bonnie Spring

Sage Digital Health, Volume 9 (2023)

Waking from Paralysis: Revitalizing Conceptions of Climate Knowledge and Justice for More Effective Climate Action

Kimberly R. Marion Suiseeya, Margaret G. O’Connell, Edith Leoso, Marvin Shingwe Biness Neme Defoe, Alexandra Anderson, Megan Bang, Pete Beckman, Anne-Marie Boyer, Jennifer Dunn, Jonathan Gilbert, Josiah Hester, Daniel E. Horton, Dylan Bizhikiins Jennings, Philomena Kebec, Nancy C. Loeb, Patricia Loew, William M. Miller, Katie Moffitt, Aaron I. Packman, Michael Waasegiizhig Price, Beth Redbird, Jennie Rogers, Rajesh Sankaran, James Schwoch, Pamala Silas, Weston Twardowski, Nyree Zerega

The ANNALS of the American Academy of Political and Social Science, Volume 700, Issue 1, pp. 166–182 (May 2022)

Counting Bites with Bits: Expert Workshop Addressing Calorie and Macronutrient Intake Monitoring

Annie Wen Lin, Fengqing Zhu, Roozbeh Ghaffari, Josiah Hester, Edward Delp, John A. Rogers, Bonnie Spring, Nabil Alshurafa

Journal of Medical Internet Research 21, no. 12, e14904 (Nov 2019)

Remote and Wireless Long-term Vibration Monitoring of Historic Monuments

Josiah Hester, Saurabh Prabhu, Sez Atamturkter, Jacob Sorber

Procedia Engineering, Volume 199, pp. 3302–3307 (2017)

Realistic and Repeatable Emulation of Energy Harvesting Environments

Josiah Hester, Lanny Sitanayah, Timothy Scott, Jacob Sorber

ACM Transactions on Sensor Networks (TOSN), Volume 13, Issue 2 (June 2017)

Shoulder Angel: An Open Platform for Reprogramming Wayward Wireless Sensors

Nicole Tobias, Michael Bolton, Josiah Hester, Jacob Sorber

IEEE Embedded Systems Letters, Volume 8, Issue 4 (Dec 2016)

Persistent Clocks for Batteryless Sensing Devices

Josiah Hester, Nicole Tobias, Amir Rahmati, Lanny Sitanayah, Daniel Holcomb, Kevin Fu, Wayne Burleson, Jacob Sorber

ACM Transactions on Embedded Computing Systems (TECS), Volume 15, Issue 4, Article 77 (Aug 2016)

uRespond: iPad as Interactive, Personal Response System

Sam Bryfczynski, Rebecca Brown, Josiah Hester, Andrew Herrmann, Danielle Koch, Melanie Cooper, Nathanial Grove

Journal of Chemical Education 91, no. 3 (Feb 2014): 357–363

Raising Soil Microbial Fuel Cells into Robust Bio-Batteries

Simon Guterman, Pichaya Limprayoon, Diego Shipmon, John Mamish, Josiah Hester, Yaman Sangar

14th Intl. Workshop on Energy Harvesting & Energy-Neutral Sensing Systems (ENSsys 2026) (Best Paper Award)

“I Would Never Trust Anything Western”: Kumu (Educator) Perspectives on Use of LLMs for Culturally Revitalizing CS Education in Hawaiian Schools

Manas Mhasakar, Rachel Baker-Ramos, Benjamin Carter, Evyn-Bree Helekahi-Kaiwi, Josiah Hester

Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, pp. 1–10 (2025)

Enabling Restorative Hawaiian Futurism via a Tabletop Role-Playing Game and Digital Ha‘i Mo‘olelo

Rachel Baker-Ramos, Michael Parkin, Angelica Raza-Furtado, Alika Spahn Naihe, Jack Hobbs, Jeffrey Vierra, Aaron Ramirez, Josiah Hester

Companion Proceedings of the 2024 Annual Symposium on Computer-Human Interaction in Play (CHI PLAY), pp. 11–17

Transient Internet of Things: Redesigning the Lifetime of Electronics for a More Sustainable Networked Environment

Tingyu Cheng, Gregory D. Abowd, HyunJoo Oh, Josiah Hester

2nd ACM Workshop on Sustainable Computer Systems (HotCarbon’23)

Exploring Batteryless UAVs by Mimicking Bird Flight

Rishabh Goel, Tien Pham, Phuc Nguyen, Josiah Hester

9th Workshop on Micro Aerial Vehicle Networks, Systems, and Applications (DroNet’23)

Augmented Reality’s Potential for Identifying and Mitigating Home Privacy Leaks

Stefany Cruz, Logan Danek, Shinan Liu, Christopher Kraemer, Zixin Wang, Nick Feamster, Danny Yuxing Huang, Yaxing Yao, Josiah Hester

Usable Security and Privacy Symposium (USEC 2023)

Circularity in Energy Harvesting Computational “Things”

Nivedita Arora, Vikram Iyer, HyunJoo Oh, Gregory Abowd, Josiah Hester

10th Intl. Workshop on Energy Harvesting & Energy-Neutral Sensing Systems (ENSsys 2022) (Best Position Paper Award)

Towards a Toolkit for Free Living Wearable Development

Blaine Rothrock, Alexander Curtiss, Juyang Bai, Josiah Hester

10th Intl. Workshop on Human Activity Sensing Corpus and Its Application (HASCA 2022)

Impacts of Image Obfuscation on Fine-grained Activity Recognition in Egocentric Video

Soroush Shahi, Rawan Alharbi, Yang Gao, Sougata Sen, Aggelos K. Katsaggelos, Josiah Hester, Nabil Alshurafa

18th IEEE Workshop on Context and Activity Modeling and Recognition (CoMoRea 2022)

HeatSight: Wearable Low-power Omni Thermal Sensing

Rawan Alharbi, Chunlin Feng, Sougata Sen, Jayalakshmi Jain, Josiah Hester, Nabil Alshurafa

25th ACM International Symposium on Wearable Computers (ISWC’21) (Best Presentation Award)

hls4ml: An Open-Source Co-Design Workflow to Empower Scientific Low-Power Machine Learning Devices

Farah Fahim, Benjamin Hawks, Christian Herwig, James Hirschauer, Sergo Jindariani, Nhan Tran, Luca Carloni, Giuseppe Di Guglielmo, Philip Harris, Jeffrey Krupa, Dylan Rankin, Manuel Blanco Valentin, Josiah Hester, Yingyi Luo, John Mamish, Seda Memik, Thea Aarrestad, Hamza Javed, Vladimir Loncar, Maurizio Pierini, Adrian Alan Pol, Sioni Summers, Javier Duarte, Scott Hauck, Shih-Chieh Hsu, Jennifer Ngadiuba, Mia Liu, Duc Hoang, Edward Kreinar, Zhenbin Wu

1st International Research Symposium on Tiny Machine Learning (tinyML’21)

Towards Battery-Free Body Sensor Networks

Sougata Sen, Sunghoon Ivan Lee, Robert Jackson, Rui Wang, Nabil Alshurafa, Josiah Hester, Jeremy Gummeson

8th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’20)

“I Am Not an Engineer”: Understanding How Clinicians Design & Alter Assistive Tech

Rahaf Alharbi, Ada Ng, Rawan Alharbi, Josiah Hester

Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems

On the Accuracy of Network Synchronization Using Persistent Hourglass Clocks

Eren Curuk, Kasim Sinan Yildirim, Przemyslaw Pawelczak, Josiah Hester

7th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’19)

Feasibility of Multi-Tenancy on Intermittent Power

Dimitris Patoukas, Kasim Sinan Yildirim, Amjad Yousef Majid, Josiah Hester, Przemyslaw Pawelczak

6th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’18)

Making Sense of Intermittent Energy Harvesting

Abu Bakar, Josiah Hester

6th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’18)

Backing Out of Backscatter for Intermittent Wireless Networks

Carlo Delle Donne, Kasim Sinan Yildirim, Amjad Yousef Majid, Josiah Hester, Przemyslaw Pawelczak

6th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’18)

Personalized Medicine in the Wearable Era: Translational Barriers and Call to Action

Nabil Alshurafa, Josiah Hester

ACM Workshop on Human-centered Sensing, Networking, and Systems (HumanSys’17)

Deploying Data-Driven Security Solutions on Resource-Constrained Wearable IoT Systems

Hang Cai, Tianlong Yun, Josiah Hester, Krishna Venkatasubramanian

Workshop on the Internet of Things Computing and Applications (IoTCA’17)

Realistic Simulation for Tiny Batteryless Sensors

Matt Furlong, Josiah Hester, Kevin Storer, Jacob Sorber

4th ACM Workshop on Energy Harvesting & Energy Neutral Sensing Systems (ENSsys’16)