Something Strange Happens When You Follow Einstein's Math

A massive thank you to Prof. Geraint F. Lewis and Prof. Juan Maldacena for their expertise and help with this video.

A huge thank you to those who helped us understand this complicated topic: Dr. Suddhasattwa Brahma, Prof. Carlo Rovelli, Dr. Hal Haggard, Prof. Martin Bojowald, Dr. Francesca Vidotto, Prof. Andrew Hamilton, and Dr. Carl-Fredrik Nyberg Brodda.

An excellent book on this topic and an inspiration for this video: Cox, B., & Forshaw, J. (2023). Black holes: the key to understanding the universe.

▀▀▀

Patrons: Adam Foreman, Anton Ragin, Balkrishna Heroor, Bertrand Serlet, Bill Linder, Blake Byers, Burt Humburg, Chris Harper, Dave Kircher, David Johnston, Evgeny Skvortsov, Garrett Mueller, Gnare, gpoly, I. H., John H. Austin, Jr., john kiehl, Josh Hibschman, Juan Benet, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Martin, Matthias Wrobel, Max Paladino, Meekay, meg noah, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, Sam Lutfi, Stephen Wilcox, Tj Steyn, Toni , TTST, Ubiquity Ventures, wolfee

▀▀▀
References:
Thorne, K. (1995). Black Holes & Time Warps: Einstein's Outrageous Legacy.

Images & Video:

▀▀▀
Directed by Casper Mebius
Written by Casper Mebius, Derek Muller and Will Wood
Edited by Trenton Oliver
Animated by Fabio Albertelli, Ivy Tello, Mike Radjabov, David Szakaly, Jonny Hyman, and Alessandro Roussel
Illustrated by Jakub Misiek
Filmed by Derek Muller
Additional research by Gregor Čavlović
Produced by Casper Mebius, Derek Muller, Will Wood, Giovanna Utichi, Rob Beasley Spence, Gregor Čavlović, and Emily Taylor

Thumbnail contributions by Jakub Misiek, Ren Hurley and Peter Sheppard
Additional video/photos supplied by Getty Images, Storyblocks, and NASA SVS
Music from Epidemic Sound

[john_wack]

Redbull will be the first to cover someone going through a singularity

[betterchapter]

Once you get so far into math, the math doesn’t even look like math anymore

[Gee]

I think the coordinates directly between a white hole, a black hole and the two universes would be a great place for a cafe.

[frodolagginsr]

"You're entire future is now only the black hole" damn I felt that :*(

[hashbrownthebro]

this is why u shouldn't divide by 0

[inder]

"he looks back at you, shaking his fist at a constant rate" something only a physicist would say

[sjahope]

1:00 I already knew this from binge watching physics videos as a kid, but when u actually stop and think about it it’s pretty eerie, huh?

[jchinckley]

I'm probably going to have to listen to/watch this multiple times in order to get a clear understanding of what we're considering here.

[zerz]

The transition to Penrose diagram was one of the smoothest I’ve ever seen. Never understood it until now

[allseriousness]

Insane that you’ve kept 6.3 million people watching so far (after 5 days) and gotten to #1 on trending with a math heavy video with the word math in the title. It’s an educational YouTuber master class

[inscrutablemungus]

Got to hand it to you: this is probably the best layman-focused explanation of black holes that I've seen anywhere on the internet (not including formal lecture series like Lenny Susskind's Theoretical Minimum).

-- I'm a theoretical physicist at a national lab in the US.

[agnosticpanda]

It's an amazing coincidence that the event horizon acts as a kind of "black shield", shielding the events inside from the outside world, and "black shield" is literally what "Schwarzschild" means in german.

[audioentropy]

As a german, I'm still stunned how a person with the name "Schwarzschild" could predict the radius of a black hole. It's such an unbelievable semantic coincident, as it basically is translated to "Blackshield"... Feels very weird hearing this, as I couldn't imagine a better word describing this phenomenon.

[MonstrousGames-iw]

"chill out, it's a prank"
the prank: sending your friend in a black hole while they sleep

[EricBurns]

I took a general relativity class and my professor explained it this way. From our perspective, we will never see a person enter a black hole. From that person's perspective, they'll watch the entire course of the universe through time until it ends as he/she crosses the event horizon.

[ActionLabShorts]

The graphics in your latest videos top most any scientific graphics that exist on the internet. It is very hard to make graphics that are both accurate and understandable. Very well done

[icecream]

"Hey there's the southern hemisphere"

"Also there're 2 earths" gets me 😂

[dubbymazlo]

"We also used to think that black holes didn't exist so maybe we'll be surprised again..."

God, I hope that happens in my lifetime...

[darklight]

The knowledge, the info filter and presentation in rhis video is a class apart.

To make people watch a half hour video of boring non traditional/uncool topics is amazing

Well done Sir

[LonelySandwich]

Insane that an educational video got to #2 on the overall trending page, goes to show how amazing this channel is