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Why is at the beginning of time so low, and the entropy in a black hole so high? ...We ...don't know that the entropy was low ...We don't even know if there was a beginning of time. ...ntropy ...is this measure of how messy things are, so my room ...tends to get higher and higher entropy, messier and messier. Why... eggs fall on the floor and break, and not fly up and unbreak? People argued about that for a very long time until the shocking insight... that it was very low 13.4 billion years ago at the time when those baby pictures of the universe were given off... the cosmic microwave background. So our flow of time... has something to do with the origin of our universe? That... we have learned. ...f you take seriously the idea of inflation and also the theory that the does not collapse, according to Hugh Everett, you can do some math and get an explanation... but... it's a wonderful mystery, and I'm open to all ideas... and black holes... there are great truths yet to be discovered. (en) |
