Tim Urban
@waitbutwhy · 1 sept. 2022
It takes a googol years for a supermassive black hole to decay. How long is that?
If you had an hourglass w/ a grain of sand for every particle in the universe, and 1 grain fell every 10 billion years, when it ran out you’d be < 1% thru the black hole’s life.
h/t @Kurz_Gesagt
Elon Musk
@elonmusk
!
16:18 · 1 septembre 2022 · 0 vues
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