Good read. Here's the answer to the title question: > I also learned that “impossible,” when used by Feynman, did not necessarily mean “unachievable” or “ridic

Good read. Here's the answer to the title question: > I also learned that “impossible,” when used by Feynman, did not necessarily mean “unachievable” or “ridiculous.” Sometimes it meant, “Wow! Here is something amazing that contradicts what we would normally expect to be true. This is worth understanding!”