Physics

Category archives for Physics

“Ladies and gentlemen, we have detected gravitational waves.” -David Reitze More than 100 years after Einstein’s relativity came out, one of its last great predictions — the existence of gravitational radiation — has been directly experimentally confirmed! The LIGO collaboration has observed two ~30 solar mass black holes merging together, producing a slightly less massive final…

“It’s becoming clear that in a sense the cosmos provides the only laboratory where sufficiently extreme conditions are ever achieved to test new ideas on particle physics. The energies in the Big Bang were far higher than we can ever achieve on Earth. So by looking at evidence for the Big Bang, and by studying…

“I like cappuccino, actually. But even a bad cup of coffee is better than no coffee at all.” -David Lynch Particularly in the dead of winter, most of us enjoy a hot drink, whether it’s coffee, tea, hot chocolate or soup. But if that drink is too hot, your options for cooling it down are…

“Go then, there are other worlds than these.” –Stephen King, The Dark Tower When you think about the Multiverse, everyone thinks about the Universe beyond what’s accessible to us. But whether you think about more Universe like our own, multiple Universe that are disconnected from ours, an infinite number of parallel Universes, where possibly multiple…

“Our knowledge of physics only takes us back so far. Before this instant of cosmic time, all the laws of physics or chemistry are as evanescent as rings of smoke.” -Joe Silk When people use the word theory colloquially, they use it to mean an “idea” or a “possibility” that could conceivably be at play.…

“Science, however, gives me the feeling of steady progress: I am convinced that theoretical physics is actual philosophy. It has revolutionized fundamental concepts, e.g., about space and time (relativity), about causality (quantum theory), and about substance and matter (atomistics), and it has taught us new methods of thinking (complementarity) which are applicable far beyond physics.”…

“Any fool can criticize, condemn and complain – and most fools do.” -Benjamin Franklin The history of science is rife with stories of cases where a person or team, usually with a lot of clout, reached a conclusion that seemed incontrovertible. When that occurs, we often find that subsequent measurements agree with that conclusion, even if that…

“To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.” –Nicolaus Copernicus As we peel back the layers of information deeper and deeper into the Universe’s history, we uncover progressively more knowledge about how everything we know today came to…

“In this first testing ground of the atomic bomb I have seen the most terrible and frightening desolation in four years of war. It makes a blitzed Pacific island seem like an Eden. The damage is far greater than photographs can show.” -Wilfred Burchett The news has been aflame with reports that North Korea detonated…

“The paradigm of physics — with its interplay of data, theory and prediction — is the most powerful in science.” –Geoffrey West Cosmic inflation, our earliest theory of the Universe and the phenomenon that sets up the Big Bang, didn’t just explain a number of puzzles, but made a slew of new predictions for the Universe. In the subsequent…