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From Futility Closet
Since the ratio of kilometers to miles is very close to the Golden Ratio, consecutive terms later in the Fibonacci series (once you get to 3) are approximate conversions of those distances.
1, 1, 2, 3, 5, 8, 13, 21, …
3 miles is 5 km, 5 miles is 8 km, etc.
This knowledge, [...]
I’ve inadvertently (and advertently) been doing some experimentation with polarized light lately. Liquid Crystal Displays (LCD) typically emit linearly polarized light, and most decent sunglasses act as polarizing filters. This can cause some problems, if you happen to have some gadget whose display is inconveniently set to emit light with horizontal polarization — [...]
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