Welcome to DJ's Junk Drawer.

I will unofficially update this website on random dates within any random time interval.

Thursday, February 23, 2017

How Eratosthenes calculated the circumference of the Earth in 200 BC



High school teacher Joe Howard made another excellent math video. This time, he shows how Eratosthenes calculated the circumference of the Earth in 200 BC. In one of the dopest displays of critical thinking in history, Erotosthenes estimated the circumference of the Earth.

from Pocket http://ift.tt/2lpjVKU
via IFTTT

No comments:

Post a Comment