I’ve been talking to a flat earther who considers sun glitter to be solid evidence for a flat earth.
I’ve walked him through the explanation: the earth is not curved enough to produce a curved appearance; waves are reflecting the sun toward the viewer, and the angles of the wave normals more than compensate for the angles of the earth normals which point away from the viewer (the earth normal at the horizon is pointed away the most). I’ve even shown a geometric proof of this.
But as is common in flat eartherism ... Read even more