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Wednesday, April 30, 2008

Math is Useful (Finally!)


Ever heard of a spirolateral? All you need is graph paper, the handy chart shown above, and a variety of markers. First write your word (or message) and translate it into numbers. Put the numbers (in the right order, of course) into the above chart. Now pick a spot in the middle of your graph paper and move in whatever direction the number tells you, counting the spaces for however long. You might want to switch colors between words, or, if you're doing one word, repeat it a couple times (four works best). Remember to make the place where you started out inked heavier than the rest of the code.
How do you decode it? It's up to you.

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