Wilson: Tim, what in the Sam Hill are those lights all about?
Tim: What lights?
Wilson: Those blinding towers of halogen.
Tim: Oh, those. I just got them from work. I'm trying a new security-lighting system.
Wilson: You know darn well they'll screw up my botany experiments.
Tim: Will they?
Wilson: Constant light causes photoperiodism. My plants need 12 hours of darkness to flower properly!
Tim: Do they?