Originally Posted by
Joshua A.C. New
Huh! Look at that!
We're all wrong! N·m or N m. Space or dot, lower-case "m". Google also has a lot of N-m. In any event, Nm is "nanometer".
Wikipedia, if I may paraphrase, says "Newton-meter something something joule something." So now I know better!
No, "nm" is nanometer. That is why the dot or space in "Nm" is unnecessary.