10. Following the curve of the Earth changes your elevation above sea level

“The London and Northwestern Railway forms a straight line 180 miles long between London and Liverpool. The railroad’s highest point, midway at Birmingham station, is only 240 feet above sea-level. If the world were actually a globe, however, curving 8 inches per mile squared, the 180 mile stretch of rail would form an arc with the center point at Birmingham raising over a mile, a full 5,400 feet above London and Liverpool.”

Dubay does not understand basic geometry, what elevation is or how it is measured

Imagining a line drawn from London to Liverpool on a spherical earth, and then measuring the height of the hump at the mid point formed by the curvature of the earth has absolutely nothing to do with height above sea level.  Sea level follows the curve of the earth because the sea is maintaining an equal distance from the centre of the earth.



Note also that the London and North Western railway ceased to exist in 1922.  It seems Eric Dubay likes to rely on sources 100 years old to help build his proofs!

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