http://en.wikipedia.org/wiki/Sexagesimal http://en.wikipedia.org/wiki/Sexagesimal It explains why 12 and 60 are such important numbers for measuring time and a

http://en.wikipedia.org/wiki/Sexagesimal http://en.wikipedia.org/wiki/Sexagesimal It explains why 12 and 60 are such important numbers for measuring time and angles, amongst other things.