The Canadian military started using this device a couple of years ago. Is really cool.
so thanks for the replay.i am so happy that some of you like my inventions
now reduce the size of it, attach one to each joint of your limbs and power your phone while walking.
nice idea, well done!
so thanks for the replay.i am so happy that some of you like my idea. thanks for the comment.i would try to reduse the size
running charging mp3 charger?
This made me think about using a piezoelectric material for energy generation.
However, the power generated would be very small.
so thanks for your replay.i am so inspired with your replay.i am a high school student.my teachers said that its a waste,but now i know that its not waste.now i am going to make something with piezoelectric
Silly teacher. It's certainly not a waste if you learn something from it!