…things are the way they are in our universe because if they weren’t, we wouldn’t be here to notice.
BRIAN GREENEHow can a speck of a universe be physically identical to the great expanse we view in the heavens above?
More Brian Greene Quotes
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In quantum mechanics there is A causing B. The equations do not stand outside that usual paradigm of physics. The real issue is that the kinds of things you predict in quantum mechanics are different from the kinds of things you predict using general relativity.
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A watch worn by a particle of light would not tick at all. Light realizes the dreams of Ponce de Leon and the cosmetics industry: it doesn’t age.
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But can we really understand that or put rigorous mathematics or testable experiments against that? Not yet. So one of the big holy grail of physics is to understand why there is something rather than nothing.
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I’d say many features of string theory don’t mesh with what we observe in everyday life.
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I like ‘The Simpsons’ quite a lot. I love the irreverent character of the whole show. It’s great.
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But if you think about a practical implication of enriching your life and giving you a sense of being part of a larger cosmos and possibly being able to use this [gravitational waves] as a tool in the future.
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String theory envisions a multiverse in which our universe is one slice of bread in a big cosmic loaf. The other slices would be displaced from ours in some extra dimension of space.
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Relativity challenges your basic intuitions that you’ve built up from everyday experience. It says your experience of time is not what you think it is, that time is malleable. Your experience of space is not what you think it is; it can stretch and shrink.
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We’re on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions.
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Evidence in support of general relativity came quickly. Astronomers had long known that Mercury’s orbital motion around the sun deviated slightly from what Newton’s mathematics predicted. In 1915,
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I enjoy reading blogs, but am not interested in having my spurious thoughts out there.
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Free will is the sensation of making a choice. The sensation is real, but the choice seems illusory. Laws of physics determine the future.
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I love it when real science finds a home in a fictional setting, where you take some real core idea of science and weave it through a fictional narrative in order to bring it to life, the way stories can. That’s my favorite thing.
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Assessing existence while failing to embrace the insights of modern physics would be like wrestling in the dark with an unknown opponent.
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When I give this talk to a physics audience, I remove the quotes from my ‘Theorem’.
BRIAN GREENE