Sometimes charging gadgets can be a real pain. Too many adapters, not enough outlets or USB ports. Plus they take a while to charge up. Well, with this concept, all you need is your finger. Which beats carrying extra juice packs and chargers everywhere.
This concept is from Song Teaho & Hyejin Lee and it allows you to charge your devices battery with a few quick spins on your finger. Well…More like about 130 revolutions. But hey, it keeps you juiced up and gives your finger some exercise.