On Jan 4, 2009, at 5:28 PM, Neal Hammon wrote:
Also, did you know that that the metric system gives map-makers fits? The reason is that on degree in the earth's latitude or longitude at the equator is equal to exactly 60 nautical miles. How many kilometers? How about 111.37598 ! This is why aviators still prefer to use nautical miles instead of kilometers.
Which makes more sense depends on whether you're going north-south or east-west. The original definition of the meter was 1/10,000,000 of the distance from the equator to the north pole through Paris.
smime.p7s
Description: S/MIME cryptographic signature
_______________________________________________ The next Louisville Computer Society meeting will be January 27 at MacAuthority, 128 Breckinridge Lane. Posting address: [email protected] Information: http://www.math.louisville.edu/mailman/listinfo/macgroup
