Oppenheimer’s Biggest Blunder: Frozen Stars
One of J. Robert Oppenheimer’s greatest theoretical triumphs was also his biggest blunder.
The One Orbital Effect You’ve Never Heard of
It takes relativity to explain planetary orbits, but there’s one relativistic effect you’ve probably never heard of.
Gravity isn’t Geometry, according to Einstein
“I cannot agree with the widespread view,” Einstein once wrote, “that general relativity 'geometrizes' physics.”
Einstein’s Black Hole Error (and an Easy Fix)
Einstein didn’t believe in black holes. Here’s why.