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Physics

Peter Woit, whom we sometimes follow because he is fun, looks back on string theory

He doesn’t seem to get the fact that string theory was a religious movement that was bound to end badly. The most distressing victim is science. But then that was well before the war on math, wasn’t it? Read More ›

Antarctica Space Signals Cited as Evidence of a Parallel Universe

It’s almost irrelevant what is really going on. The parallel universe is somewhat like the multiverse or the advanced space aliens. People who have no other religion need them to exist. And the outcome somehow makes it way into a science journal. Read More ›

Artificial intelligence cannot produce a Theory of Everything

Gary Smith concludes, “Computers are much better than humans at curve fitting but still far worse at devising models that help us understand and predict the world.” Read More ›

Can a big enough computer come up with a Theory of Everything? Eric Holloway says yer dreamin’…

Bottom line: The rigorously proven No Free Lunch theorem shows that physicists will always be needed to determine the correct questions. No computer will do all our thinking for us. Read More ›

Dark matter and dark energy as 21st century Ptolemaic epicycles? – Rob Sheldon offers some thoughts

Why can’t they find dark matter, despite much search? Sheldon: The old joke is that a man is looking under a lamppost one night. The policeman asks what he is doing. "Looking for my keys" he replies. "Did you lose them here?" "No, but the light is better over here." (And the funding is better for some research than for others.) Read More ›

At Quanta: Are we looking at the end of physics?

Ah yes, the problem of dead-endedness that Sabine Hossenfelder often writes about. As does Columbia mathematician Peter Woit, on the subject of string theory. But surely much of the nonsense around string theory and the multiverse is in part due to a practical failure—the inability to find even a single particle of dark matter or similar evidence for dark energy. Read More ›