It is possible to approximate pi with throwing needles on a grid, but the result Italian mathematician Mario Lazzarini published in 1901 seems too good to be true. But was it fraud? A close look into his original paper sheds some new light on this issue.
Recently Michael Shermer did a book tour in Belgium, Germany and the Netherlands. I had the opportunity to interview him about his book for Skepter, the magazine of the Dutch skeptics foundation Skepsis.