• something from tiniest things (quantum physics) up to largest things (univers) • something about time, space and dimensions • something about thinking, learning, structures and consciousness • something what all humans have in common and differences between them • and be able to ...
Keith Cooper is a freelance science journalist and editor in the United Kingdom, and has a degree in physics and astrophysics from the University of Manchester. He's the author of "The Contact Paradox: Challenging Our Assumptions in the Search for Extraterrestrial Intelligence" (Bloomsbury Sigma,...
General relativity has passed all the experimental tests so far, but its applicability is expected to break down when [the] effects of quantum mechanics (the theory of the very small particles) should become dominant. General relativity and gravitational lensing ...
Hawking is important because he made great contributions to theoretical physics and astrophysics. I highly doubt that his work has anything to do with bombs. If you think that, you have no understanding of his work. I am glad that cutting-edge medical science twice saved your life. Your stor...
Specifically, if we had a theory that described physics under the extreme conditions of the ultra-early Big Bang – and if that theory had been corroborated in other ways, for instance by deriving some unexplained parameters in the standard model of particle physics – then if it...
Diamagnetism: All materials displaydiamagnetism, which is the tendency to be repelled by a magnetic field. However, other types of magnetism can be stronger than diamagnetism, so it is only observed in materials that contain no unpaired electrons. When electrons pairs are present, their "spin" ...
Cooling via perspiration is affected by latent and sensible heat. When there is a breeze, evaporative cooling is highly effective. Heat is dissipated away from the body due to the high latent heat of vaporization of water. However, it's much harder to cool down in a sunny location than in...
Post by Quantum Triviality » Thu May 20, 2010 3:14 am There was a (relatively unsubstantiated) rumor going around a couple years back that pass rates for qualifying exams were more closely correlated with verbal GRE score than physics GRE score. I doubt that's given much credence on ...
The holographic principle applies that idea to string theory. Just as its much easier to measure the start and finish times than constantly measure the speed of the car, it is much easier to do physics on the surface hologram than it is to do physics in the whole volume. The idea really...
A neutron star was first detected as a pulsar in 1967. It is one of the most mysterious compact objects in the universe, with a radius of the order of 10 km and masses that can reach two solar masses. In fact, neutron stars are star remnants, a kind of s