(SOUNDBITE OF JONATHAN WOLFF'S "SEINFELD THEME")
DAVID GREENE, HOST:
Good morning. I'm David Greene. You ever have a friend who comes up with an annoying idea but deserves some credit? Well, a college student in Arizona put a sensor on the door of his dorm room. Every time someone walks in, well, this happens.
(SOUNDBITE OF KNOCKING)
EVAN GENUISE: Come in.
(SOUNDBITE OF "SEINFELD" SCENE TRANSITION SOUND EFFECT)
GREENE: Yup - from "Seinfeld." I'm a "Law & Order" guy. So Steve, come in.
(SOUNDBITE OF "LAW AND ORDER" CLANG SOUND EFFECT)
STEVE INSKEEP, HOST:
You can't do that to the studio door.
GREENE: I can. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.