Dark energy is perhaps the biggest mystery in physics.
The Universe is a big ship and its captain is the Laws of Physics! The bad news is that there seems to be no safe harbour to dock and no lifeboats if we sink!
Physics depends on a universe infinitely centred on an equals sign.
Memories are not recycled like atoms and particles in quantum physics; they can be lost forever.
Physics is an otherworld thing, it requires a taste for things unseen, even unheard of- a high degree of abstraction... These faculties die off somehow when you grow up... profound curiosity happens when children are young. I think physicists are the Peter Pans of the human race... Once you are sophisticated, you know too much- far too much. Pauli once said to me, "I know a great deal. I know too much. I am a quantum ancient.".
I have sold more books on physics than Madonna has on sex. [Hawking adopted this statement from a remark made to him by his former post-doc, Nathan Myhrvold.]
We are not at the end but at the beginning of a new physics. But whatever we find, there will always be new horizons continually awaiting us.
To me, the difference between mythology and real history is that the real history has to tell a kind of believable story of how things happened. The physics has to work.
From the point of view of physics, it is a miracle that [seven million New Yorkers are fed each day] without any control mechanism other than sheer capitalism.
Even as rigorous a determinist as Karl Marx, who at times described the social behaviour of the bourgeoisie in terms which suggested a problem in social physics, could subject it at other times to a withering scorn which only the presupposition of moral responsibility could justify.
Any time things go to infinity in physics, we know we haven't gotten it right.
I've always liked all the sciences like math, physics and biology
It seems to be almost a law of physics, that the winds of change awaken fear and fundamentalism.
It is an old saying, abundantly justified, that where sciences meet there growth occurs. It is true moreover to say that in scientific borderlands not only are facts gathered that [are] often new in kind, but it is in these regions that wholly new concepts arise. It is my own faith that just as the older biology from its faithful studies of external forms provided a new concept in the doctrine of evolution, so the new biology is yet fated to furnish entirely new fundamental concepts of science, at which physics and chemistry when concerned with the non-living alone could never arrive.
This is not what I thought physics was about when I started out: I learned that the idea is to explain nature in terms of clearly understood mathematical laws; but perhaps comparisons are the best we can hope for.
Whether you function as welders or inspectors, the laws of physics are implacable lie-detectors. You may fool men. You will never fool the metal.
It's natural that you'd have more brains going into money management. There are so many huge incomes in money management and investment banking - it's like ants to sugar. There are huge incentives for a man to take up money management as opposed to, say, physics, and it's a lot easier.
The Web is now philosophical engineering. Physics and the Web are both about the relationship between the small and the large.
America has had the best university system in the world for a long time. And so we have been innovators, not only in the discoveries as proven by Nobel Prizes in chemistry and physics and that sort of thing, but we've been able to put that into practical application with new gadgets that people admire.
[Heisenberg's seminal 1925 paper initiating quantum mechanics marked] one of the great jumps—perhaps the greatest—in the development of twentieth century physics.
I think the idea that the hedge fund manager gets lower taxes than the taxi driver or the physics professor is insane. The legislators who leave that policy in place are derelict in their duties to be rational and fair. There are plenty of them in both political parties. It's totally outrageous.
Bohr’s standpoint, that a space-time description is impossible, I reject a limine. Physics does not consist only of atomic research, science does not consist only of physics, and life does not consist only of science. The aim of atomic research is to fit our empirical knowledge concerning it into our other thinking. All of this other thinking, so far as it concerns the outer world, is active in space and time. If it cannot be fitted into space and time, then it fails in its whole aim and one does not know what purpose it really serves.
Our acceptance of an ontology is, I think, similar in principle to our acceptance of a scientific theory, say a system of physics;we adopt, at least insofar as we are reasonable, the simplest conceptual scheme into which the disordered fragments of raw experience can be fitted and arranged.
For me, [John Wheeler] was the last Titan, the only physics superhero still standing.
The paradigm of physics - with its interplay of data, theory and prediction - is the most powerful in science.
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