I'm pretty sure FE-anons have been quite patient with all the deliberate sliding and ignorance. This is easily one of the biggest conspiracies that can be easily proven. And that is the EXACT reason why NO ONE can flush the FE 'psyop' down the drain. TRUTH doesnt fear investigation as another anon put it.
Read William carpenter's book:
Water, not Convex: The Earth not a Globe! Documented by Alfred R. Wallace, ESQ., F.R.G.S, &c. on the 5th of March 1870, by Experiments Conducted on the Old Bedford Canal, Near Downham Market, Norfolk.
https://www.dropbox.com/sh/77v6j5wodnk2etx/AABFyYkcDKqps_83qxJ2fg1ia?dl=0