Posts Tagged ‘ Trigonometry ’

Top 10 Ways to Know the Earth is Not Flat

Aug 19th, 2008 | By mooeypoo | Category: Astronomy, Blurbs, Party Trick, Top 10 List

A few months ago I released an experiment video explaining how 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 [...]



The earth’s curvature is tasty

Mar 23rd, 2008 | By mooeypoo | Category: Astronomy, Experiments, Physics

If I sail a ship to the far far seas, continue on, and on, and on and– well, you got the point. Where will I find myself? Well, if I travel in a more-or-less straight line (ignoring weather or geography, or time constraints, or my pending homework) I will end up right where I started. [...]