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ArmadilloCon: Orbital Mechanics pantomime
In the "Orbital Mechanics" panel, Bob Mahoney and John Gibbons acted orbital mechanics out with a globe hanging from a microphone stand, hula hoops, and styrofoam noodles. You can see pictures of that under the lj-cut. They used lots of words too, of course. :-)
( 'Grab my asymptote' )