Transcript:

Caulfield: There goes something I don't understand. Frazz: You have to think like a physicist. It seems like the apparent wind would be pushing his shirt down. But the air above his shirt is "moving" faster than the air that's sheltered by his torso- moving air experts less pressure than still air, so the differential lifts his shirt the same way it lifts an airplane wing. Caulfield: I meant I don't understand why anybody would balance over an abrasive surface at 70 mph in shorts and a t-shirt. Frazz: You have to think like a 20-something who's been really lucky so far.