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.
BRIAN GREENEThe strings of string theory are vibrating the particles, vibrating the forces of nature into existence, those vibrations are sort of like musical notes. So string theory, if it’s correct, would be playing out the score of the universe.
More Brian Greene Quotes
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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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That is, you can have nothingness, absolute nothingness for maybe a tiny fraction of a second, if a second can be defined in that arena, but then it falls apart into a something and an anti-something. And that something is then what we call the universe.
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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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Falsifiability for a theory is great, but a theory can still be respectable even if it is not falsifiable, as long as it is verifiable.
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Our eyes only see the big dimensions, but beyond those there are others that escape detection because they are so small.
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When you drive your car, E = mc2 is at work. As the engine burns gasoline to produce energy in the form of motion, it does so by converting some of the gasoline’s mass into energy, in accord with Einstein’s formula.
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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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The boldness of asking deep questions may require unforeseen flexibility if we are to accept the answers.
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Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.
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The number of e-mails and letters that I get from choreographers, from sculptors, from composers who are being inspired by science is huge.
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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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Every moment is as real as every other. Every ‘now,’ when you say, ‘This is the real moment,’ is as real as every other ‘now’ – and therefore all the moments are just out there. Just as every location in space is out there, I think every moment in time is out there, too.
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Science is the process that takes us from confusion to understanding.
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How can a speck of a universe be physically identical to the great expanse we view in the heavens above?
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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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If string theory is right, the microscopic fabric of our universe is a richly intertwined multidimensional labyrinth within which the strings of the universe endlessly twist and vibrate, rhythmically beating out the laws of the cosmos.
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The idea that there could be other universes out there is really one that stretches the mind in a great way.
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According to inflation, the more than 100 billion galaxies, sparkling throughout space like heavenly diamonds, are nothing but quantum mechanics writ large across the sky. To me, this realization is one of the greatest wonders of the modern scientific age.
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If someone wants to place the word ‘God’ on those collections of words, it’s OK with me.
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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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String theory is the most developed theory with the capacity to unite general relativity and quantum mechanics in a consistent manner.
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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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Writing for the stage is different from writing for a book. You want to write in a way that an actor has material to work with, writing in the first person not the third person, and pulling out the dramatic elements in a bigger way for a stage presentation.
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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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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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You should never be surprised by or feel the need to explain why any physical system is in a high entropy state.
BRIAN GREENE