OPTIS used light scatter data from Huygens Probe to create realistic simulation of Titan's surface At SXSW 2018, Vincent Hourdin, PhD and Research Engineer for ‚ÄčOPTIS, talks to TechRepublic's Teena Maddox about how the company used data from the Huygens Probe to recreate what a human would see if they stood on the surface of Saturn's moon Titan.