Data & ProbabilityMathematics
Finding Pi With Needles
Pi appears in a game with no circles at all
Drop needles on a wooden floor and count the ones that cross a crack. How could that count lead to pi?
You'll find out
- Where the circle hides in a needle
- Why each digit costs so many needles
- A 1901 result that looks too good
Why it matters
Computers play games of chance millions of times to answer questions too hard to work out exactly.
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