Branch of physics that acts as an abstract framework formulating all the laws of nature
What was Terry Pratchett's occupation? Which subject deals with the study of quantum mechanics? Is #2 a part of #1's job?
Did Terry Pratchett write about quantum mechanics?
“What're quantum mechanics?"  "I don't know. People who repair quantums, I suppose.” "Granny Weatherwax wouldn’t know what a pattern of quantum inevitability was if she found it eating her dinner. If you mentioned the words ‘paradigm of space-time’ to her she’d just say ‘What?’ But that didn’t mean she was ignorant. It just meant that she didn’t have truck with words, especially gibberish."
Quantum mechanics