this post was submitted on 21 May 2026
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[–] FauxPseudo@lemmy.world 7 points 1 hour ago

Nuclear power is just steampunk with magic rocks.

[–] frank@sopuli.xyz 10 points 1 hour ago (1 children)

I'm an EE by schooling and I've worked in both gas turbine and wind power. Photovoltaics blow my fucking mind. Everything else is just spinning magnets to extract power. PVs are insanely cool

[–] marcos@lemmy.world 6 points 1 hour ago

Take a look at reverse electro-dialysis.

It's pushing thermal energy into electricity directly by the force of entropy.

[–] SubArcticTundra@lemmy.ml 4 points 1 hour ago
[–] ininewcrow@lemmy.ca 38 points 3 hours ago (3 children)

The idea .....

Send water on a 150 million kilometer pipeline to the sun to super heat it ... then pipe the steam back to power a turbine

[–] nightwatch_admin@lemmy.world 23 points 3 hours ago (1 children)
[–] lime@feddit.nu 22 points 3 hours ago (1 children)
[–] Skullgrid@lemmy.world 7 points 2 hours ago (1 children)

I don't know why you made me laugh so much, thanks for that post.

I think it's because it turns the concept into something so low tech and banal

[–] lime@feddit.nu 6 points 2 hours ago (1 children)

right? like a potato gun for space

[–] BonsaiBoo@lemmy.world 7 points 2 hours ago (1 children)

You just described every rocket ever made by man.

[–] lime@feddit.nu 1 points 25 minutes ago

potato guns are not typically self-propelled. i'm thinking more like HARP

[–] Clent@lemmy.dbzer0.com 5 points 2 hours ago

Wouldn't even need to run it out that far and we don't have the material science to handle temperatures near the sun.

[–] Proprietary_Blend@lemmy.world 15 points 3 hours ago (3 children)
[–] Klox@lemmy.world 9 points 2 hours ago

Step 1: boil the ocean

[–] Skullgrid@lemmy.world 5 points 2 hours ago

It's also due to water being boiled. Just in a different, many steps removed manner.

[–] danekrae@lemmy.world 8 points 3 hours ago (1 children)
[–] 5ibelius9insterberg@feddit.org 13 points 2 hours ago (4 children)

No, wind is spinning magnets. Everything except photovoltaics and fuel cells is spinning magnets. (Everything with boiling water is also spinning magnets)

[–] Buddahriffic@lemmy.world 2 points 31 minutes ago (1 children)

There's peltier devices, too, which use heat traveling via different metals and maybe some sort of sorcery to generate a voltage.

Also teslacoils use a different mechanism (friction I believe), though that's a static voltage.

In theory, you could translate a magnet through a coil instead of just rotating it to produce a current. Lol spinning a ring magnet through a rounded coil could be a different way of using spinning magnets (assuming it isn't already done).

[–] 5ibelius9insterberg@feddit.org 2 points 8 minutes ago

And wise-ass got outwiseassed. Chapeau

PS: you forgot to mention piezoelectricity

[–] bumblefumble@mander.xyz 2 points 32 minutes ago (1 children)

You could always spin some wire and let the magnets stay still if you wanna be different.

[–] 5ibelius9insterberg@feddit.org 1 points 13 minutes ago

Well… if a wire moves in a magnetic field, a current is induced. If a current runs through a wire, it generates an electromagnetic field.

So in this case: spinning wire = spinning magnet

[–] gnutrino@programming.dev 3 points 1 hour ago

Also primary battery cells.

[–] autriyo@feddit.org 2 points 1 hour ago

We're kinda just using magnets to push around other magnets remotely.

And then there's other stuff attached to those magnets.

[–] pennomi@lemmy.world 9 points 3 hours ago

The new supercritical CO2 generators are pretty cool. Pretty much the same thing but no water!

[–] ThePyroPython@lemmy.world 5 points 2 hours ago (1 children)

Well when you invent a new way to convert rotational energy into multi-phase AC please let us all know

[–] Goodeye8@piefed.social 1 points 2 hours ago

Explosions?

[–] Return_of_Chippy@lemmy.world 6 points 3 hours ago* (last edited 1 hour ago) (1 children)

Boil water and spin magnets

[–] Zwiebel@feddit.org 2 points 3 hours ago

Lorents force go wheeeee

[–] Skullgrid@lemmy.world 2 points 2 hours ago

Turbine go vrrrrrr