Ethan SiegelinStarts With A Bang!How a failed experiment led to Einstein’s first big revolutionThe Michelson-Morley experiment of 1887, despite expectations, revealed a null result: no effect. The implications were revolutionary.13h ago213h ago2
Ethan SiegelinStarts With A Bang!Einstein’s big insight that explained Newton’s law of gravityFor centuries, Newton’s inverse square law of gravity worked beautifully, but no one knew why. Here’s how Einstein finally explained it.1d ago61d ago6
Ethan SiegelinStarts With A Bang!5 big surprises when comparing the worlds in our Solar SystemFrom size to mass to density and more, each world in our Solar System is unique. When we compare them, the results are truly shocking.2d ago22d ago2
Ethan SiegelinStarts With A Bang!Starts With A Bang podcast #108 — A future particle colliderToday, the Large Hadron Collider is the most powerful particle physics experiment in history. What would a new, successor collider teach…4d ago24d ago2
Ethan SiegelinStarts With A Bang!Ask Ethan: Can we detect dark matter if it’s truly collisionless?Dark matter’s hallmark is that it gravitates, but shows no sign of interacting under any other force. Does that mean we’ll never detect it?5d ago115d ago11
Ethan SiegelinStarts With A Bang!Your guide to 2024’s Perseid meteor showerPeaking on the night of August 11/12, up to 100 bright meteors per hour will be visible. Here’s how to make the most of it.6d ago166d ago16
Ethan SiegelinStarts With A Bang!7 changes destroying the Moon would have on planet EarthEarth, the only rocky planet with a large, massive satellite, is greatly affected by the Moon. Destroying it would cause 7 major changes.Aug 77Aug 77
Ethan SiegelinStarts With A Bang!Modern astrophysics answers Isaac Newton’s oldest questionStraddling the bounds of science and religion, Newton wondered who set the planets in motion. Astrophysics reveals the answer.Aug 65Aug 65
Ethan SiegelinStarts With A Bang!Astronomers solve longstanding galaxy cluster collision puzzleHow do normal matter and dark matter separate by so much when galaxy clusters collide? Astronomers find the surprising, unexpected answer.Aug 5Aug 5
Ethan SiegelinStarts With A Bang!Ask Ethan: Did black holes form directly from the Big Bang?Even in the very early Universe, there were heavy, supermassive black holes at the centers of galaxies. How did they get so big so fast?Aug 22Aug 22