physicist

Folk musician Peter Mulvey performs Vlad the Astrophysicist, a spoken-word style song that touches on why civilizations may never meet across space and time.

A recording of physicist Albert Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population and energy use. He argues that steady percentage growth in a finite world cannot continue and sneaks up suddenly.

Physicist Geoffrey West speaks at an FQXi conference on time about complexity and scaling laws. He covers how metabolism, growth and lifespan scale across organisms and how the same mathematics applies to cities and companies.

Fraser Cain interviews JPL physicist Slava Turyshev about using the Sun's gravity as a lens to image distant exoplanets. They cover how the lens works, how a spacecraft would align with it, and mission design.

An excerpt from an RSA event in which physicist David Deutsch makes the case for optimism as a driver of progress in the 21st century. It is a short highlight of a longer discussion.

Physicist Jean-Pierre Petit gives a long technical commentary on Russia's newly announced weapons, including the Sarmat missile, a nuclear-powered cruise missile and a nuclear MHD-propelled submarine drone.

Penn and Teller help Rob Pike and Dennis Ritchie of Bell Labs play a prank on Nobel-winning physicist Arno Penzias. The clip shows the gag and its setup.