Kites Back In the Olden Days Were a Lot More Serious-Looking

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]

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