AaS! 153: What is a Black Hole Firewall, and Do They Really Exist??

Ask a Spaceman!

Paul M. Sutter

Astrophysics, Science, Cosmos, Holes, Black, Astronomy, Natural Sciences, Universe, Cosmology, Space, Physics

4.8 • 853 Ratings

🗓️ 1 June 2021

⏱️ 38 minutes

🔗️ Recording | iTunes | RSS

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Summary

What is a black hole firewall? How does it solve some paradoxes when it comes to black holes? Do the firewalls actually exist? I discuss these questions and more in today’s Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).

00:00 Event Horizons

04:25 Hawking Radiation and the Information Paradox

09:41 Black Hole Complementarity

14:21 Entanglement and the Revenge of the Paradox

16:59 The Firewall

Video credits: NASA, Andrew Hamilton

Transcript

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0:00.0	Sometimes you just can't catch a break.
0:12.1	You take one step forward and two steps back.
0:13.9	It seems like everything goes wrong and it all starts from one little problem that
0:19.6	just cascades into a miserable day.
0:22.8	Like,
0:23.0	like your alarm doesn't go off.
0:24.8	So you start rushing.
0:26.0	And you rush,
0:26.7	so you spill your coffee on your shirt.
0:28.3	And so you change your shirt,
0:29.5	but then you're laid out the door.
0:30.6	And you're laid out the door,
0:31.5	so you get stuck in bad traffic.
0:32.9	You get stuck in bad traffic.
0:34.0	So you miss that really important meeting with the boss because you miss that really important meeting with the boss you get fired it just goes on and on and on and on every time
0:41.9	you think you come up with one solution you just invent five more problems you just can't catch a break
0:50.4	welcome to life as a theoretical physicist trying to understand black holes.
0:58.1	I'm going to talk about a very theoretical idea today, something called the firewall theory.
1:03.7	Firewall theory is a confusing idea. I, like, I just promise that a lot of the topics I'm going to talk about in today's
1:15.2	episode will be confusing. And they're going to be confusing to you because they are confusing
1:21.2	to physicists. There is this misconception I encounter all the time that like physicists and theory are the smartest people on
1:29.9	the planet and they know what they're talking about, they know what they're doing. And if a topic
	...

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