From Smell-O-Vision to Astrocolor, the film industry's biggest innovation flops

By Leo Braudy, Leo S. Bing Chair in English and American Literature, University of Southern California – Dornsife College of Letters, Arts and Sciences, Scott Higgins, Charles W. Fries Professor of Film Studies, Wesleyan University, Thomas Delapa, Lecturer, Department of Screen Arts & Culture, University of Michigan, and Stephen Groening, Assistant Professor of Cinema and Media Studies, University of Washington.