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Uploaded on Dec 16, 2007
Temperature difference between air and objects can generate enough electric power to rotate a motor. Objects:cold reusable refrigerant pack, hot onigiri (rice ball), and warm hands. I have disclosed the design which was published on Jan. 25, 2008 from Eleki-Jack magazine in Japan: http://www.eleki-jack.com/ where two cheap peltier elements are used. This video has no sound.