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troutman · 01-30-2012, 12:41 PM

Top 10 Ways to Know the Earth is Not Flat
http://www.smarterthanthat.com/astro...h-is-not-flat/

Eratosthenes calculated the circumference of the Earth using the shadow of sticks. The method was performed almost two millenia ago, and produced quite accurate results (considering the ‘equipment’ used). But it was far from being the only (or first) method to understand our planet’s shape.

01-30-2012, 12:41 PM	#25
troutman Unfrozen Caveman Lawyer Join Date: Oct 2002 Location: Crowsnest Pass Exp:	Top 10 Ways to Know the Earth is Not Flat http://www.smarterthanthat.com/astro...h-is-not-flat/ Eratosthenes calculated the circumference of the Earth using the shadow of sticks. The method was performed almost two millenia ago, and produced quite accurate results (considering the ‘equipment’ used). But it was far from being the only (or first) method to understand our planet’s shape.