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Andrew Alden

3 Triples for 12/12/12

By December 12, 2012

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It's been a great run, but today, the 12th of December 2012, will be the last "triple day" of our lifetimes, or at least until the next 01/01/01 in 2101. In observance of that may I present three triples for your bemusement/bafflement/benignant regard. . .

The triple junction, a point where three tectonic plates meet.

The ternary diagram, which makes ordinary graphs one better by allowing three things, not two, to be analyzed at once.

The triple point, the combination of pressure and temperature where a substance can be in all three physical phases: liquid, gas and solid.

In another excellent observance of 12/12/12, EARTH Magazine has put up an ingenious quiz featuring 12 scrambled geological words, each 12 letters long, and 12-word clues to help you unscramble them. The prize is a t-shirt. Go for it!


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