Primitive Tech vs High Tech
We take low cost thermal electric coolers or TECs and reverse the process to produce electrical power from interesting and readily available sources of heat.
Other related videos:
https://youtu.be/YWUhwmmZa7A
https://youtu.be/cw8ipUYodkE
https://youtu.be/RkSR4rTl2GY
https://youtu.be/xSQNh8wrxa0
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