this post was submitted on 30 Nov 2025
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Science Memes

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Steam makes the magnet go spinny

[–] rumba@lemmy.zip 8 points 3 hours ago

Somebody was using the push against magnetic confinement in a pulse reactor to harvest magnetic - > electric directly but it's been a while since they've been in the news.

[–] Ghyste@sh.itjust.works 7 points 2 hours ago (13 children)

Why is that a problem, exactly?

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[–] ZoteTheMighty@lemmy.zip 6 points 7 hours ago* (last edited 7 hours ago) (1 children)

Fusion releases a daughter particle and a neutron. The daughter particle is much larger and will deposit its energy back into the plasma, the neutron will travel much further until it hits a collector outside the chamber, heating it up, which will heat water. You don't get to decide which direction the neutron goes, so you have to build this collector around the entire thing.

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[–] wiccan2@lemmy.world 5 points 7 hours ago

Before we can even try to crack fusion, we need to clear out the last of the 2000s pop bands and their videographers.

[–] brucethemoose@lemmy.world 5 points 3 hours ago

I mean, not necessarily.

They could use a magnetohydrodynamic generator to siphon off some of the helium, though TBH it’s better suited for fission:

https://en.wikipedia.org/wiki/Magnetohydrodynamic_generator

[–] nexguy@lemmy.world 4 points 8 hours ago

Are these going to be just....kettles for the U.K.?

[–] hperrin@lemmy.ca 4 points 8 hours ago

How else you gonna turn hot into spark? Turning it into move first is super easy.

[–] ZkhqrD5o@lemmy.world 3 points 4 hours ago (1 children)

Why don't they just use an induction stove, are they stupid?

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[–] atlasraven@sh.itjust.works 3 points 9 hours ago

You put a copper wire wrapped around high energy plasma and you get....direct voltage right on the line.

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