 Richard Feynman: Physics is fun to imagine In this archival footage from BBC TV, celebrated physicist Richard Feynman explains what fire, magnets, rubber bands (and more) are like at the scale of the jiggling atoms they’re made of. This accessible, enchanting conversation in physics reveals a teeming nano-world that’s just plain fun to imagine. |
 Srikumar Rao: Plug into your hard-wired happiness Srikumar Rao says we spend most of our lives learning to be unhappy, even as we strive for happiness. At Columbia University, he teaches us how to break free of the “I’d be happy if …” mental model, and embrace our hard-wired happiness. |