Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Green design pocket warmer.
When the cold , people used to friction they hands to got warm.
Use this image , save friction hands power sources transformed into electric, then transformed electric into heat energy.
Its a green design. No need to electrify and danger.
Southern Taiwan University
Yuanli, Taiwan
Chia-Chun Lin
Southern Taiwan University
Yuanli, Taiwan
Sin-Hong Lin
Chia-Chun Lin
Chia-Rung Shu
Pei-Yi Chiu
Wung-bing lin