Julia Child did some 400° cooking, for a science-oriented TV series called “The Ring of Truth”: https://www.youtube.com/watch?v=WQ3mjb9BSaU&t=850s
Later in the episode, she got to cook a diamond to amorphous carbon. “I’ll remember that recipe – one carat diamond, two and a half hours, three thousand degrees”: https://www.youtube.com/watch?v=WQ3mjb9BSaU&t=1458s

I recall an anecdote about a mathematician being asked to clarify precisely what he meant by “a close approximation to three”. After thinking for a moment, he replied “any real number other than three”.

“Sesame Street was brought to you today by the language R, and the number F.”

Hmm, I think we should start referring to the toll-like receptors as the awesome-ish receptors.
Another example: there’s a fruit-fly gene named decapentaplegic (which has to do with forming the 15 imaginal discs during embryonic development). When they discovered another gene that interfered with it, but only when inherited from the mother, they named that one “mothers against decapentaplegic”.

We’ll need a humongous iron, and an even humongouser ironing board.

Are you using the standard xattr command that’s built into macOS? IIRC there’s another program out there by the same name with completely different syntax. Try running type xattr; it should say something like “xattr is /usr/bin/xattr” if you’re using the standard one.