Spud-powered MP3 player

If your kids ever feel lethargic and turn down their potatoes during dinner time, why not show them this video on how much energy a couple of potatoes can actually produce? Sure, they won’t be able to run any reactors in Iran and North Korea, but they sure store enough power to get your regular MP3 player up and going. Overall, this is a pretty neat home science idea with everyday objects. Other than potatoes, what are the other foods that can be used to play back your favorite tunes?