Internet hack-legend Benjamin J. Heckendorn discovered that his cheap hand-cranked 5V torch could be modded to power his HTC EVO 4G - which is notoriously battery-hungry as most smartphones these days are. It takes a bit of elbow grease, but if you stay tuned to the end of the video you'll see proof that it works. And just look how excited he is! It warms my heart. [Make via geek.com]