Not disputing that, but in undergraduate labs you're likely to find research cast-offs, though the only plastic scintillator experiment I've known (albeit 35 ye

Not disputing that, but in undergraduate labs you're likely to find research cast-offs, though the only plastic scintillator experiment I've known (albeit 35 years ago) was purpose-built. There was also a Ge(Li) "jelly" counter, and demonstrators who didn't understand pile-up...