3
votes
2answers
543 views

About Susskind's claim “information is indestructible”

I really can't understand what Leonard Susskind means when he says that information is indestructible. Is that information really recoverable? He himself said that entropy is hidden information. ...
5
votes
3answers
255 views

Information loss in a black hole

How does the Holographic Principle help to establish the fact that all the information is not lost in a black hole?