What do you get when

What do you get when you extrude a Mobius strip into the third dimension? A fractional-dimensional object with zero volume: a Klein Bottle! And who manufactures and sells the world's finest Klein Bottles? Hippie-cum-Physicist-cum-Sysadmin-cum-International Crime Fighting CyberSleuth-cum-Author, Cliff Stoll. What a wonderful freak! Link