Some of the most interesting conversations I’ve had in my life have been with Ted Jacobson, a theoretical physicist at the University of Maryland. A musician, an amateur baker, and co-creator of loop quantum gravity, he is deeply self-reflective—a man who always questions his own thinking, who used to criticize string theory but then came […]
Joe Polchinski, based at the Kavli Institute for Theoretical Physics in Santa Barbara, is one of the world’s leading string theorists and an avid cyclist. (Many colleagues have challenged him to a race, to their later chagrin.) He is best known for showing that string theory isn’t just about strings—it predicts a huge diversity of […]
One of the scientists I follow in my book is Steve Giddings, a theoretical physicist at U.C. Santa Barbara who is also a highly skilled mountain-climber. In this video, he explains how quantum mechanics, when applied to black holes, calls the principle of locality into question and suggests that spacetime is not a fundamental ingredient […]
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