
Janna Levin: Black Holes, Wormholes, Aliens, Paradoxes & Extra Dimensions | Lex Fridman Podcast #468
Black holes are regions of spacetime so dense that not even light can escape, formed when massive stars collapse at the end of their life cycles

1 episode on Lex Fridman Podcast
Janna Levin is a theoretical physicist and cosmologist at Barnard College specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves. She is an acclaimed author of both scientific and literary works exploring the deepest questions in physics and the nature of reality.