How Pi Nearly Became 3.2

When an amateur mathematician from Indiana managed to solve one of mathematics' great problems—squaring the circle—he decided to copyright his proof, but allow his home state to use it for free. Sadly, things didn't quite go to plan. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/aKvxlTnJ1pU/how-pi-nearly-became-32

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