TwistedSifter on MSN
Over 2,200 years ago, Eratosthenes calculated the circumference of Earth, and his math was almost totally accurate
Impressive, right?
The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...
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Introduction If you wanted to measure the circumference of Earth, how long would your tape measure have to be? Would you need to walk the whole way around the world to find the answer? Do you think ...
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