Numberphile: Safe Cracking

A chat about some of the ways legendary physicist Richard Feynman cracked safes (filing cabinets) at Los Alamos during the Manhattan Project.

Discussed by Professor Roger Bowley.

Richard Feynman, The Great Explainer: SciShow

Aside from being a great scientist and teacher, Richard Feynman was a kooky and curious guy who played the bongos, painted, and did math in strip clubs. Hank shares his Feynman love fest with us in this episode of SciShow: Great Minds.

How Simple Ideas Lead to Scientific Discoveries

Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849. (Launching a series on Inventions that Shaped History)