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12 December 2013

"What are Quadrants?"

Well. I don't know. Let's find out.

A quadrant is an old tool for measuring latitude. Guess today is a pretty good day for explaining latitude. Here's a picture of Ptolemy using a quadrant (hurray for WikiMedia!).  




This is a pretty cool project. I think it's just a bit beyond where Hero's at; he's not that interested. Though I am tempted to make one and do it myself.





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