Flat Earthers have, for as long as they've been a movement, been of two basic varieties. There are the Biblical literalists who interpret certain Bible passages to mean the Earth is flat, and consider science to the contrary to be blasphemous. The second type consists of alternate science conspiracy theorists, cranks who think they've overturned Newton's laws, and who point to the United Nations flag as a hint from the Illuminati as to the true shape of our world.
MORE: http://www.skepticblog.org/2012/11/29/the-flat-earth-and-pseudoskepticism/
