this post was submitted on 17 Oct 2023
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Sure that does work but it’s not efficient.
Thermal solar generators do exist but they use a liquid as a heat transport mechanism. These use mirrors to focus the sun into a single point. In general you get more efficiency when there’s a larger temperature difference.
You could also get infinite energy by digging a deep hole since it gets hotter there deeper you dig. It’s just pretty expensive.
Geothermal is the solution we need more of.