Richard Feynman Lecture -- "Los Alamos From Below"

There are quite a few copies of this Feynman lecture floating around out there, but most end prior to the question from the audience.

After the lecture, a guy in the audience asks Feynman about his safe-cracking stories and Feynman goes on for about another ten minutes relating three different stories on his safe-cracking while at Los Alamos National Laboratories. Enjoy!