How Green Screen Worked Before Computers For those of us who grew up in the age of CGI, green screen is just “a thing that computers do”. But how did effects like this work before the age of pixels? With the help of some suitably shiny graphics, here’s a quick summary. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Watching for Nuclear Attack at the Top of the World Eye controllable feeding robot for disabled people How Machine Learning Drives the Deceptive World of Deepfakes What Happened Before History? Human Origins Will YouTube ever run out of video IDs? Could your brain repair itself?