For decades now physicists have been struggling to reconcile two great ideas from a century ago: general relativity and quantum […]
Episode 45: Leonard Susskind on Quantum Information, Quantum Gravity, and Holography Read More
Quantum mechanics is our best theory of how reality works at a fundamental level, yet physicists still can’t agree on
Episode 36: David Albert on Quantum Measurement and the Problems with Many-Worlds Read More
String theory was originally proposed as a relatively modest attempt to explain some features of strongly-interacting particles, but before too
Episode 31: Brian Greene on the Multiverse, Inflation, and the String Theory Landscape Read More
Sir Roger Penrose has had a remarkable life. He has contributed an enormous amount to our understanding of general relativity,
Episode 28: Roger Penrose on Spacetime, Consciousness, and the Universe Read More
It’s a big universe out there, full of an astonishing variety of questions and puzzles. Today’s guest, Janna Levin, is
Episode 27: Janna Levin on Black Holes, Chaos, and the Narrative of Science Read More
I remember vividly hosting a colloquium speaker, about fifteen years ago, who talked about the LIGO gravitational-wave observatory, which had
Episode 24: Kip Thorne on Gravitational Waves, Time Travel, and Interstellar Read More
String theory is a speculative and highly technical proposal for uniting the known forces of nature, including gravity, under a
Episode 18: Clifford Johnson on What’s So Great About Superstring Theory Read More
It’s fun to be in the exciting, chaotic, youthful days of the podcast, when anything goes and experimentation is the
Episode 9: Solo — Why Is There Something Rather than Nothing? Read More
If you scale up an animal to twice its height, keeping everything else proportionate, its volume and weight become eight
Episode 5: Geoffrey West on Networks, Scaling, and the Pace of Life Read More
Quantum mechanics and general relativity are the two great triumphs of twentieth-century theoretical physics. Unfortunately, they don’t play well together
Episode 2: Carlo Rovelli on Quantum Mechanics, Spacetime, and Reality Read More