/dev/tty: Experimentalist vs. mathematical physics

Experimentalist vs. mathematical physics (0). 15:54 by /dev/tty , under. Suppose an experimentalist shows you an instrument saying that this is a very good muon detector. He gives you the engineering manual which describes hot it is constructed. Then he says with an innocent smile: can you work out the algebraic element which corresponds to this manual in the mathematical description? R.Haag, Local Quantum Physics. Truth. Typical. ...