this post was submitted on 15 Dec 2024
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Science Memes

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[โ€“] Buddahriffic 3 points 1 day ago (1 children)

They are all just ways of converting energy from one form into electricity. Every single one of the ways we "generate" electricity ultimately comes from gravitational energy. By the time we use it to power electrical circuits, it all has gone through various energy-consuming/losing processes.

The list wasn't so much a "ways to create electric energy that aren't spinning turbines" as a "power sources for electric circuits that aren't spinning turbines", which is why I included chemical and electrical, even though they often aren't very useful without another source of electric power.

[โ€“] [email protected] 4 points 1 day ago

Fair enough. As you said, none of these are net producers of electricity if your thermodynamic system is big enough to count as closed.