Scientists who are desperately trying to put electronics into your body have developed a power source that works off of body heat. Thermoelectric generators create electricity when a temperature difference exists between the two ends of a circuit that are made from two types of metal, and they have been around for decades. The heat to electricity ratio they produce is usually too small for most electronics, but California-based Thermo Life Energy has developed a smaller, more powerful version that could make thermoelectric generator use worthwhile for charging batteries in microelectronics. The generators are only 9.3 millimeters in diameter, which is an ideal size for use in wireless sensors and electronic body implants. Energy from body heat? That's what we're doing now? Just when I start focusing on creating energy from urine, I have to throw everything out the window and focus on body heat. Great. What am I supposed to do with all those gatorade bottles in my basement?
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