Energy ‘scavenger’ could turn waste heat from fridges and other devices into electricity

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[–]Ergu 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

It's not free energy, you already paid for it, to power your fridge or whatever, this is just putting some of the waste energy to use. I didn't read the article either but this is not a new concept or technology.