this post was submitted on 15 Dec 2024
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https://en.m.wikipedia.org/wiki/Radioisotope_thermoelectric_generator
That's just another way to turn heat into electricity. Those thermocouples could also be used on a campfire.
okay,
https://en.wikipedia.org/wiki/Betavoltaic_device
You think that's hot shit: https://www.sciencedirect.com/science/article/abs/pii/S2468606921000538
In theory, if you made it small enough, you could make a gamma rectenna. Considering gamma rays are often smaller than an atom, you'd have to make the antenna out of something other than atoms though. Good luck.
that's just a modified Peltier device :)
This exists, but it's generally only used in spacecraft.
Most terrestrial uses of RITEGs have resulted in tragedy.