[twitter]There are times when conventional wisdom of a society changes. 1500 years before Columbus and Magellan, the Greeks had done calculations proving the Earth was a sphere. In fact, they had correctly estimated the circumference…
[twitter]There are times when conventional wisdom of a society changes. 1500 years before Columbus and Magellan, the Greeks had done calculations proving the Earth was a sphere. In fact, they had correctly estimated the circumference…