this post was submitted on 27 Feb 2025
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Science Memes

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That explains a lot (mander.xyz)
submitted 5 days ago by [email protected] to c/[email protected]
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[–] [email protected] 65 points 5 days ago (50 children)

Us developing an actual black hole would be one of the best things humanity has ever done. It would kinda be like inventing techniques to make fire.

We could throw shit around the orbit of the black hole and get fusion. Not just deuterium fusion! Even proton proton fusion. Our energy needs would be solved practically forever.

We could conduct a crazy amount of experiments on the black hole, see quantum effects of gravity and whatnot.

Maybe we could build one of em Alcubierre drives that don't need exotic matter?

[–] [email protected] 18 points 5 days ago (10 children)

Yeah.

Then somebody drops it and it just falls down to the planet's core and eats our fucking world.

[–] Ultraviolet 1 points 5 days ago (1 children)

That's not how that works. It's not a DnD sphere of annihilation, it's an infinitely dense point of matter.

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

That shrinks in a vacuum but grows as other matter gets too close. Matter such as "the earth". Explain how we're not fucked if it escapes from its magnetic vacuum suspension because Kevin accidently drops it.

[–] [email protected] 4 points 4 days ago* (last edited 4 days ago)

There is a surprising amount of empty space between atoms, and even inside atoms between the electron orbitals and the nucleus. Small black holes are so dense they mostly fall through this empty between-atom space and don't actually hit anything. Even in a matter-rich environment like inside the Earth, you'd need a black hole with more than half the mass of the moon to be large enough to eat matter faster than it loses matter to Hawking radiation.

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