Saltzberg studies high-energy particle physics and high-energy neutrino astronomy, using radio-detection techniques when he's not working as The Big Bang Theory's science consultant.
Every week, Saltzberg attends the show's live taping at the Warner Bros. lot in Burbank, Calif.
He fills in the blanks, as in an episode where Dr. Sheldon Cooper, a puffed-up theoretical physicist, keeps bumming rides from a neighbor.
The scientist got involved with The Big Bang Theory in 2007, when the show was little more than a theoretical construct.
The set designers asked him to show them some real graduate students' apartments, so they could see how young scientists really live.
But he adds that he thinks this sitcom, The Big Bang Theory, is more important than his work in the lab.
"It's hard to fathom, when you think about 20 million viewers on the first showing — and that doesn't include other countries and reruns. »