this post was submitted on 30 Jul 2026
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Science Memes

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[–] marcos@lemmy.world 43 points 2 months ago (2 children)

Most new clean energy does not use boiling water.

[–] Remember_the_tooth@lemmy.world 30 points 2 months ago

Pushing electrons? Really? Man of your talents?

[–] fullsquare@awful.systems 11 points 2 months ago (1 children)

there is a power generation scheme that uses high temperature fuel cells. optimally it could run on hydrogen only, but because it runs hot, it is able to take almost any flammable gas, along with some steam, and it forms hydrogen internally, then oxidizes it. this alone generates bulk of electricity, but offgas is hot, so it goes to heat exchanger which boils water, which then turns steam turbine

[–] grue@lemmy.world 8 points 2 months ago (1 children)

That's just burning a hydrocarbon with extra steps.

[–] fullsquare@awful.systems 9 points 2 months ago

it replaces gas turbine with a fuel cell, which is a good couple % more efficient than CCGT. still under development. there is also another variant where hot offgas is generated under pressure and expanded directly. no steam, same effect

[–] Tiempo@lemmy.dbzer0.com 43 points 2 months ago (4 children)

What is worst is that if we look deeper, we find out that everything is just turning the mill

The only advance would be solar that was capable of not using a mill that have to turn.... Everything else? Just a fucking mill

[–] Zorque@lemmy.world 25 points 2 months ago (5 children)

We rotate around the sun, though

[–] Tiempo@lemmy.dbzer0.com 19 points 2 months ago

Fucking damn it!

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[–] Photonic@lemmy.world 7 points 2 months ago (1 children)

Looks like the Dutchies were right in the first place

[–] Gonzako@lemmy.world 8 points 2 months ago

Nah, the dutchies also invented the stock market.

[–] thevoidzero@lemmy.world 3 points 2 months ago

Solar and batteries (chemical). If we could harness lightening then that's come without mechanical energy as well. There's biological energy as well, we don't have a way to extract it directly as electricity but it exists

Mechanical and heat is just the most common way to get electricity for us at the moment.

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[–] zqwzzle@lemmy.ca 36 points 2 months ago* (last edited 2 months ago) (2 children)

Fun fact time oklo is the only known instance of a naturally occurring fission reactor.

[–] flambonkscious@sh.itjust.works 9 points 2 months ago

Wow, that's mental

[–] jaygray91@piefed.zip 3 points 2 months ago

An amazing TIL. Thanks!

[–] Sheldan@lemmy.world 27 points 2 months ago (1 children)

I love the description of PV to be basically 'outsourced fusion'

[–] Bishma@discuss.tchncs.de 24 points 2 months ago (2 children)

Face it, all power is water, all stories are Hamlet, all food is grass, and all music is Pachelbel's Canon. Reality's budget is running out and it's having to reuse assets.

[–] captainlezbian@lemmy.world 3 points 2 months ago (1 children)

I'd love to see someone try to explain how As You Like It is Hamlet

[–] NewNewAugustEast@lemmy.zip 5 points 2 months ago

Both explore how characters must mask their true identities to survive a corrupt patriarchal system managed by a villainous uncle?

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[–] LodeMike@lemmy.today 7 points 2 months ago (1 children)

Boiling water is the only reasonable way to turn heat into electricity.

[–] neuromorph@lemmy.world 4 points 2 months ago (7 children)
[–] LodeMike@lemmy.today 13 points 2 months ago (2 children)

Actually there's also the mirror based solar which boils water in a central column.

[–] rumba@lemmy.zip 7 points 2 months ago (1 children)

It's cooler than that; they use the heat to make molten salt, then use a heat exchanger to boil water with that, the salt gets stupid hot and holds energy into the night.

[–] LodeMike@lemmy.today 2 points 2 months ago (1 children)

Sounds like it's hotter than that not cooler

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[–] driving_crooner@lemmy.eco.br 4 points 2 months ago (1 children)

Solar and wind biggest energy revolution is not needing to boil water

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[–] LodeMike@lemmy.today 2 points 2 months ago

Solar uses radiation not just heat.

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[–] dan69@lemmy.world 3 points 2 months ago (1 children)

I’d like to thank some post on Mastadon, which really boiled down how and what a nuclear power plant works to provide power.. the little things.

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[–] Lushed_Lungfish@lemmy.ca 3 points 2 months ago (1 children)

Can't improve on perfection.

[–] infinitesunrise@slrpnk.net 3 points 2 months ago

Burgeoning supercritical CO2 turbine technology would like a word.

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