Thursday, 18 January 2018

Fermi Problems

Enrico Fermi was known for his ability to estimate things quickly and produce an order-of-magnitude guess with only minimal calculation. Hence, a problem where the goal is to simply obtain the nearest power-of-10 estimate is known as a "Fermi problem". Of course, sometimes in life some people think that you need to know things to better accuracy than the nearest power of 10...

How Fermi could estimate things!
Like the well-known Olympic ten rings,
And the one-hundred states,
And weeks with ten dates,
And birds that all fly with one... wings.

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