Power felt will let you charge your devices by walking around
As technology grows more and more advanced, so too does its need for power. Unfortunately for us, batteries haven’t advanced all that much. Not as much as other technology has, at least. Phones used to be able to last for days between charges. Now, even (or perhaps especially) the best smartphones and computer tablets run out of juice in a matter of hours. We may very well see a solution to this problem in the near future, though, but not in a way you’d think. Instead of designing a new battery, a nanotechnologist named David Carroll and his research group at Wake Forest University has designed…