"Surely You're Joking, Mr. Feynman!": Adventures of a Curious Character

I would like to tell you something about the censorship that we had there. They decided to do something utterly illegal and censor the mail of people inside the United States—which they have no right to do. So it had to be set up very delicately as a voluntary thing. We would all volunteer not to seal the envelopes of the letters we sent out, and i

For example, if you’re doing an experiment, you should report everything that you think might make it invalid—not only what you think is right about it: other causes that could possibly explain your results;

wasn’t

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