In 1764 a French engineer on a tiny African island claimed that he could see ships beyond the horizon. In today's show we'll review the strange story of Étienne Bottineau and consider the evidence for his claims to have invented a new art. We'll also ponder a 400-year-old levitation trick and puzzle over why throwing a beer can at someone might merit a promotion. Sources for our feature on nauscopie, the purported art of apprehending ships below the horizon: Rupert T. Gould, Oddities: A Book of Unexplained Facts, 1928. Sir David Brewster, Letters on Natural Magic, 1832. J. Gregory Dill, "The Lost Art of Nauscopie,"Ocean Navigator, January/February 2003 (retrieved May 17, 2015). Mike Dash, "Naval Gazing: The Enigma of Étienne Bottineau,"Smithsonian Magazine, Oct. 13, 2011 (retrieved May 17, 2015). Chicago Tribune, "The Science of Nauscopie,"Nov. 7, 1869. Greg's post on Samuel Pepy's "lifting experiment" appeared on Futility Closet on March 22, 2008. Further sources for that segment...