Defining longitude is not easy.
Have you read the book Longitude? I really enjoyed it.
posted on 03/08/2013 1:21:31 PM PST
(Beware of kittens modifying your posts.)
posted on 03/08/2013 2:00:33 PM PST
(Western Civilization is Aborting, Buggering, and Contracepting itself out of existence.)
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