I’d say many features of string theory don’t mesh with what we observe in everyday life.
BRIAN GREENEI’ve seen children’s eyes light up when I tell them about black holes and the Big Bang.
More Brian Greene Quotes
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…things are the way they are in our universe because if they weren’t, we wouldn’t be here to notice.
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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 can’t stand clutter. I can’t stand piles of stuff. And whenever I see it, I basically just throw the stuff away.
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Science is the process that takes us from confusion to understanding.
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We do not know whether there are extra dimensions or multiverse. Let’s go forward with the possible ideas that come out of the mathematics. It’s hard for us to imagine a universe that would have no time at all.
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Physicists are more like avant-garde composers, willing to bend traditional rules… Mathematicians are more like classical composers.
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I’ve seen children’s eyes light up when I tell them about black holes and the Big Bang.
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Gravity is matter’s sugar daddy.
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So many galaxies, so many planets out there in the universe circling so many stars… it just feels like there’s a very good chance that there is another Earth-like planet out there that is able to support some kind of life similar to what we’re familiar with.
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I was holding [my four-year-old daughter] and I said, ‘Sophia, I love you more than anything in the universe.’ And she turned to me and said, ‘Daddy, universe or multiverse?’
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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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When I give this talk to a physics audience, I remove the quotes from my ‘Theorem’.
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Instead, a faint mist of light will fall for eternity through an ever colder and quieter cosmos.
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And putting together the probabilities of quantum mechanics with the certainty of general relativity, that’s been the big challenge and that’s why we have been excited about string theory, as it’s one of the only approaches that can put it together.
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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.
BRIAN GREENE