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Brian Greene


American
February 9, 1963
Physicist
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Art makes us human, music makes us human, and I deeply feel that science makes us human.


Brian Greene
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The bottom line is that time travel is allowed by the laws of physics.


Brian Greene
Tags: Time Travel Line
One of the wonders of science is that it is completely universal. It crosses national boundaries with total ease.
Brian Greene
Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.
Brian Greene
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I'd say many features of string theory don't mesh with what we observe in everyday life.


Brian Greene
Tags: Life Say Many
Physicists are more like avant-garde composers, willing to bend traditional rules... Mathematicians are more like classical composers.
Brian Greene
Tags: Like More Rules
We know that if supersymmetric particles exist, they must be very heavy; otherwise we would have spotted them by now.
Brian Greene
Tags: Know Very Them
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I like 'The Simpsons' quite a lot. I love the irreverent character of the whole show. It's great.


Brian Greene
Tags: Great Like Love
The idea that there could be other universes out there is really one that stretches the mind in a great way.
Brian Greene
Tags: Great Out Really
I may be a Jewish scientist, but I would be tickled silly if one day I were reincarnated as a Baptist preacher.
Brian Greene
Tags: Would Were Day
A unified theory would put us at the doorstep of a vast universe of things that we could finally explore with precision.
Brian Greene
Tags: Would Things Us
String theory is not the only theory that can accommodate extra dimensions, but it certainly is the one that really demands and requires it.
Brian Greene
I think the appropriate response for a physicist is: 'I do not find the concept of God very interesting, because I cannot test it.'
Brian Greene
Tags: God Think Because
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
Tags: Time About Want
We are living through a remarkably privileged era, when certain deep truths about the cosmos are still within reach of the human spirit of exploration.
Brian Greene
There was a time when 'universe' meant 'all there is.' Everything. The whole shebang. The notion of more than one universe, more than one everything, would seemingly be a contradiction in terms.
Brian Greene
Tags: Time More Than
Supersymmetry is a theory which stipulates that for every known particle there should be a partner particle. For instance, the electron should be paired with a supersymmetric 'selectron,' quarks ought to have 'squark' partners, and so on.
Brian Greene
Even when I wasn't doing much 'science for the public' stuff, I found that four or five hours of intense work in physics was all my brain could take on a given day.
Brian Greene
Tags: Work Science Much
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.
Brian Greene
Tags: Space Our Would
I think the relationship between memory and time is a very deep and tricky one, to tell you the truth. I don't consider memory another sense. I do consider memory that which allows us to think that time flows.
Brian Greene
I have long thought that anyone who does not regularly - or ever - gaze up and see the wonder and glory of a dark night sky filled with countless stars loses a sense of their fundamental connectedness to the universe.
Brian Greene
Tags: Who Up See
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 Greene
All mathematics is is a language that is well tuned, finely honed, to describe patterns; be it patterns in a star, which has five points that are regularly arranged, be it patterns in numbers like 2, 4, 6, 8, 10 that follow very regular progression.
Brian Greene
Tags: Like Very Which
One of the strangest features of string theory is that it requires more than the three spatial dimensions that we see directly in the world around us. That sounds like science fiction, but it is an indisputable outcome of the mathematics of string theory.
Brian Greene
Tags: Science Like More
In any finite region of space, matter can only arrange itself in a finite number of configurations, just as a deck of cards can be arranged in only finitely many different orders. If you shuffle the deck infinitely many times, the card orderings must necessarily repeat.
Brian Greene
Tags: Space You Just
My dad was a composer and a musician, but he never finished high school. His formal education was rather minimal from the standards of today's college graduates and Ph.D.'s, but he had a deep interest in questions of science and questions of the universe.
Brian Greene
Science is very good at answering the 'how' questions. 'How did the universe evolve to the form that we see?' But it is woefully inadequate in addressing the 'why' questions. 'Why is there a universe at all?' These are the meaning questions, which many people think religion is particularly good at dealing with.
Brian Greene
The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.
Brian Greene
In the far, far future, essentially all matter will have returned to energy. But because of the enormous expansion of space, this energy will be spread so thinly that it will hardly ever convert back to even the lightest particles of matter. Instead, a faint mist of light will fall for eternity through an ever colder and quieter cosmos.
Brian Greene