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.
BRIAN GREENEAssessing existence while failing to embrace the insights of modern physics would be like wrestling in the dark with an unknown opponent.
More Brian Greene Quotes
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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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Quantum mechanics, that big, new, spectacular remarkable idea is that you only predict probabilities, the likelihood of one outcome or another. That’s the new idea.
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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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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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The boldness of asking deep questions may require unforeseen flexibility if we are to accept the answers.
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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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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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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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It’s hard to teach passionately about something that you don’t have a passion for.
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Cosmology is among the oldest subjects to captivate our species. And it’s no wonder. We’re storytellers, and what could be more grand than the story of creation?
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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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If someone wants to place the word ‘God’ on those collections of words, it’s OK with me.
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The 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.
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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.
BRIAN GREENE