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10:41 AM
What does it mean to say black holes are "excited states"? states of what?
S~A holds usually for ground states, I thought...
This is from TASI lectures on AdS CFT by Harlow
 
 
7 hours later…
5:40 PM
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Q: WHY DO WE SEE DISTINCT OBJECTS?

Cate BCould someone help me find the post of the person who wondered why, with all the light rays bouncing off of multiple objects and crossing in complex ways, do we see distinct objects instead of a light "blur" of some sort. He put a drawing in that showed many light lines crossing and said that was...

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Q: Comments on declined flags: thank you mods

ZeroTheHeroI noticed over the last few months that some moderators add short comments when flags are declined. This is a very good initiative as it often provides context on the thinking of the mods in taking their actions, and I would like to strongly encourage all moderators to continue in this direction.

 

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