Wild Musical Inventions From Berlin Hackday

Charge your cell phone by walking
Forgot to charge your cell phone last night? Imagine that you could power it by walking. Weirder still, you might be able to just spray a new battery on. In a small but growing field, nanotechnology is being used to create energy.
Wild Musical Inventions From Berlin Hackday
As much as our 'Project Calliope' satellite is a science project, it's also a music experiment. We are, after all, flying scientific instruments on a picosatellite specifically to make music.