Pi pin from Las Vegas

Pi pin from Las Vegas

Pi (π)

I got this pin in November 2013 at the Atomic Testing Museum in Las Vegas (in the gift shop, of course). Pi is a fascinating number, appearing throughout geometry and physics. It represents about 3 o’clock on my irrational numbers wall clock.

Pi equation

An irrational clock that hangs on my office wall

An irrational clock that hangs on my office wall

Is an expression that is not only true, but contains exponentials, imaginary numbers, irrational numbers (both e and π), integers, and negative numbers. I love this pin, and it’s quite nice enough to wear, although I would probably lose it if I did.

Location: 03-D5

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