Lock-picking

In his autobiographical book Surely You’re Joking, Mr Feynman! the late American physicist Richard Feynman described how he amused himself by cracking open the safes at Los Alamos, which stored design papers for the Manhattan Project. He started out picking locks, which he describes like this:

Now, if you push a little wire gadget — maybe a paper clip with a slight bump at the end — and jiggle it back and forth inside the lock, you’ll eventually push that one pin that’s doing the most holding, up to the right height. The lock gives, just a little bit, so the first pin stays up — it’s caught on the edge. Now most of the load is held by another pin, and you repeat the same random process for a few more minutes, until all the pins are pushed up.

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My lock-picking isn’t up to much, unless you count one time when I lost the key to my own suitcase and had to break into it.