this post was submitted on 10 Jul 2025
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Science Memes

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Planck units (lemmynsfw.com)
submitted 1 week ago by [email protected] to c/[email protected]
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[–] [email protected] 65 points 1 week ago (2 children)

Need an explanation? The smallest possible black hole is called a Planck particle. It should have a mass of a Planck mass, a size of an Planck length, should evaporate in a Planck time, releasing a Planck energy.

[–] [email protected] 6 points 6 days ago* (last edited 6 days ago)

By the way, the evaporation of a Planck particule should generate a power of P = Planck energy / Planck time = 3.629 × 10^52 W --> 36.29 million million million million million million million Gigawatts. More than enough to power a time machine.

[–] [email protected] 29 points 1 week ago

Ooookay. I feel like I've heard Planck length/time used in other (perhaps wrong) contexts. So the mass and energy seemed wildly large by comparison.