Because sometimes you have a World's Largest Gummy Bear, some liquid nitrogen, and a 12-gauge all in the same place at the same time, and you're just crazy enough to see what happens when you combine the three. And you're also clever enough to film it for YouTube viewers 'round the world.
Sony has announced a new fuel-cell battery that runs on glucose. It works by breaking down carbohydrates with enzymes, in much the same way as us humans do. It doesn't seem to be ready for release yet, but the video after the jump shows that it's already capable of powering an MP3 player.