Talk:1680: Black Hole

Explain xkcd: It's 'cause you're dumb.
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IF the explanation of "Milkshake" being a coded message is correct, then I like how Melis plays with it. I always thought the more sexual way, Milkshake meaning shaking her milk bags. Sure, that brings boys to the yard....

It's not clear what exactly in the comic is a reference to the Big Lebowski movie. This needs clarification. Todor (talk) 06:48, 13 May 2016 (UTC)

In the Big Lebowski, The Dude's reasoning for wanting the rug replaced was that "It really tied the room together" 07:50, 13 May 2016 (UTC)

The event horizon of the black hole in the cartoon appears to be roughly an inch across, which using the formula linking Schwarzschild radius to mass (r = 2MG/c^2) gives a black hole of about 3 earth masses. 08:06, 13 May 2016 (UTC)

OMG. That would mean it also excerts 3 times the gravitational force of earth. As a result people near (also as far away as earth orbits) would only be comfortable standing at a significant angle. Time may also appear to progress slower near the black hole due to the time dilation effect. But I am unsure how pronounced this effect will be from a black hole that size. Audible and visible effects of this would be people talking slower (but not lower as you have with the doppler effect, i beleive that to be a sci-fi misconception), and peoples movements seeming slower. Todor (talk) 08:50, 13 May 2016 (UTC)
That strong a pull would mean the hole would not only collect air and particles, but also pull furniture into it. Seing as both people are standing upright I'm guessing the pull can not be more than say one fifth of earths. Maybe it has a visible accretion disc? If you were to run the formula in reverse what diameter would that give you of the hole itself? Todor (talk) 09:23, 13 May 2016 (UTC)

There's only 5 years between the Big Lebowski and Milkshake (1998 vs 2003) so while "more contemporary" is technically correct, I think it underestimates how old Milkshake is. 08:15, 13 May 2016 (UTC)

Perhaps this comic is in reference to this article referencing tabletop particle accelerators? 08:38, 13 May 2016 (UTC)

I once read a short story about this situation where the hole kept feeding and eventually swallowed the whole Galaxy. I thought it was a Stephen King, but my Google Fu can't find it... Supachris28 (talk) 09:22, 13 May 2016 (UTC)

It was one of the scare-stories surrounding the Large Hadron Collider (LHC), where a micro-black hole would form and end-of-the-world scenario would ensue. Apparently such a hole could form but would immediately destabilize. On a related note, this brings into question as to how stable the hole in the comic would be, since it seems rather small. If it were to destabilize it would have enough energy to blow the earth to pieces, despite its deceivingly innocent size. Todor (talk) 09:48, 13 May 2016 (UTC)

Was I right to add a little about hawking radiation?Transuranium (talk) 10:07, 13 May 2016 (UTC)Transuranium

Hawking radiation from a black hole with "neutron bullet" mass (equivalent to the Empire State Building) would be vicious, equivalent to .78 megatons of TNT per second. However, it could spew out increasingly intense radiation for 96 years. [1] A lunar mass black hole would be colder than interstellar space and could outlive most of the universe. .42 (talk) 10:28, 13 May 2016 (UTC)
As deduced above I guess the hole would not be strong enough to pull them in. But you're saying a black hole with a mass smaller than earth would essentially fry them both and set their house on fire IRL? And that would only be if it was stable enough not to destabilize and blow up. Some best-case scenario that is. :) Todor (talk) 11:07, 13 May 2016 (UTC)

The effects of a small black hole the size of a coin, animation by "Kurzgesagt – In a Nutshell" 11:28, 13 May 2016 (UTC)

Worst explanation ever

I came here for an explanation and I have so many questions.

  • What's 'The Dude's' rug in the film "The Big Lebowski"?
  • What about the song "Milkshake" by Kelis?
  • What about the discrimination?
  • What about "Neutron Bullet" chapter of the what if? book?
  • What about Black Hole Moon in that book?

And related to the comic itself

  • What's the mass of a miniature blackhole?
  • What are its effects? 13:31, 13 May 2016 (UTC)