Measuring the Circumference of the Earth: the Eratosthenes Method July 2, 2007
Posted by webmaster in : Classic Experiments Waiting to be Duplicated , add a commentThis is one I duplicated in High School that I first heard about on Carl Sagans’ Cosmos series. Way back in the 3rd Century BC, the Greek philospher Eratosthenes of Cyrene devised a method of calculating the circumference of the Earth. (more…)