To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S4. Variants of the surfaces in Movie S3 rendered as translucent surfaces. Perception and misperception of surface opacity Phillip J. Marlow, Juno Kim, and Barton L. Anderson PNAS. 2017. 114:13840-13845 DOI: 10.1073/pnas.1711416115 Download Original Video Browse All Videos »