Serious, you ask? Serious, I say—just look at the collection of kites below, that were flown on a windy day back in 1957 at the University of Illinois‘ Kite Derby Day. Each is more mathematical-inspired than the last.
They’re certainly a world away from the colorful cartoon-like kites flown by kids on grassy knolls nowadays, eh? [Mondo-Blogo via But Does It Float via WonderHowTo]
