Wearable Device Can be Worn Like a Ring or Sport Band, Transforms Your Body Into a Battery

A research team at CU Boulder, led by Jianliang Xiao, have developed a wearable device that can be worn like a ring, sport band, or any accessory touching your skin that transforms internal body heat into electricity. One caveat, each thermoelectric generator module can only generate about 1-volt of energy for every square centimeter of skin space, but on the bright side, these units can be combined to form a larger one
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