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Hooooooooooooooooooot (files.catbox.moe)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 21 points 4 months ago* (last edited 4 months ago) (4 children)

All power generation is either solar or 'make thing spin', unless we're including RTGs and Piezoelectrics.

[–] [email protected] 3 points 4 months ago (1 children)

But not all electricity generation is based on boiling water. Wind, hydro and tidal don't need to generate large amounts of heat to make steam that spins a turbine, they just use natural movement to do so.

[–] [email protected] 2 points 4 months ago

Yes, make thing spin

[–] [email protected] 1 points 4 months ago (1 children)

All of these are in some way heat engines

[–] [email protected] 5 points 4 months ago (1 children)

Yeah but those heat engines don't rely on spinning things inside a magnetic field. Heat on one side, less heat on the other side, and you have current. No motors.

[–] [email protected] 3 points 4 months ago (1 children)

even photovoltaics are heat engines in broad definition

[–] [email protected] 4 points 4 months ago

We're all heat engines on this blessed day if you broaden the definition enough.

[–] [email protected] 1 points 4 months ago (1 children)

Peltier Effect?

[–] [email protected] 1 points 4 months ago

That's the principle used by RTGs right?

[–] [email protected] 0 points 4 months ago (1 children)

Solar thermal power…

[–] [email protected] 3 points 4 months ago

Yes? Makes things spin.