Some Important Math….


Ok, so most of us don’t like Math, but it is important to understand the various methods that can be used when discussing curvature.  Specifically the supposed curvature of the ball we are told we live on.  Jon Le Bon does a great job of breaking down the mathematics behind the various methods of calculating such curvature, using Geometry, Trigonometry and Algebra.

Part I: Introduction

Part II: Geometry  – simple method for calculating expected drop on a circle.


Part III: Trigonometry – calculating expected drop on a sphere using triangles.


Part IV: Calculating Obstruction



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