Time is Relative or Why 24 hours in a day and not 360?
My mind was wandering the other day, as it often does when I am supposed to be doing something, and I realized that I know where the metric system comes from (based on the size of the earth!) and roughly where the "English" units of measurement came from (http://www.factmonster.com/ipka/A0769529.html) I was familiar with the origins of Celsius/Centigrade (based on the freezing and boiling points of water at one standard atmosphere) and Kelvin (based on the temperature at which molecular movement ceases) came from. ( I had to look up the Fahrenheit scale. He based on on his own body temperature! No wonder I didn't…