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Posted 20 hours ago

Black Hole

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I’m fascinated and interested.....but I also know I didn’t do 99.9 % of the things people my age were doing. While saying this, I think the authors try their best to convey these complex ideas to the layman. I have read considerable amount of books about the universe and this is the hardest so far. But even though this it's hard to read, I think we can see through these theories from a mathematical point of view. Because at the end of the day it's all about maths. A sexually transmitted disease is infecting teenagers, a disease that mutates anyone that catches it. But what happens to the people who catch the teenage plague?

It is the most interesting, well-posed question in modern physics,” he says, looking like a decade-older version of Mark Ruffalo’s Bruce Banner in the Avengers movies. “So interesting that I was ready to devote my life to trying to understand it.”

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All these questions are exciting, and we all want to know their answers. But the point is, are these questions answered in this book? Stephen Hawking takes you on this virtual tour where he talks about different topics, combines philosophies and scientific explanations, and does everything. But he doesn’t answer all these questions directly. So you won’t get a ready-made answer to all these questions. These excerpts are taken from the book There Are Places In The World Where Rules Are Less Important Than Kindness, published by Allen Lane on 5 November in the UK. A review follows overleaf

In their final stages, enormous stars go out with a bang in massive explosions known as supernovae. Such a burst flings star matter out into space but leaves behind the stellar core. While the star was alive, nuclear fusion created a constant outward push that balanced the inward pull of gravity from the star's own mass. In the stellar remnants of a supernova, however, there are no longer forces to oppose that gravity, so the star core begins to collapse in on itself.Galison continues: “What Hawking realised was that this was in fundamental contradiction with something essential to what physicists believed, which was that if you knew the state of the world at a given moment, you could figure out what it was like in the past. If you knew what was in the present, you could predict the future. Is this really the case? I don’t know for sure. I think it might well be. The alternatives seem less plausible to me. But I could be wrong. Trying to figure it out, still, is such a joy. This is definitely a hard read. I had to read some chapters again and again to understand ( not fully though). So if you are going to read this book, and understand it thoroughly, you should spend some time on it.

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