OBJ files, due to their list structure, are able to reference vertices, normals, etc. But the dihedral angle between two planes is also the angle between their normals. However, unlike fractals, it does have defined surface normals. The face normals of the 8 hexagonal faces are . Zil runs around trying to recruit normals to stop all freaks. The normals to "S" are the light rays. Before 1927, BG teams were called the Normals or Teachers. National Weather Service 1981-2010 Normals recorded at Rosecrans Airport. Prior to 1923, the varsity sports teams were nicknamed "The Normals". In 2006, Cowan appeared in a short film entitled "Goodbye to the Normals". A short film, "Goodbye to the Normals" was also made. In 2012 Vizzini's third novel "The Other Normals" was published.