Where's The Curve?

It's hard to believe some of the silly demonstrations thought up to prove the Earth is flat. One recent demonstration that has been filmed by a number of guys is bringing a spirit level (bubble level) on a plane and looking for the device to show the nose of the plane pointing down. Roll your eyes all you want, but this is a real test that some people take seriously. Below I will describe exactly why this test won't work.

Read more

Here... the curve is here. In fact, smart people have already calculated the curvature. You can use this calculator to conduct your own experiments.

Read more