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 Memories Can Be Passed Down Through DNA Is Technology Wiring Teens to Have Better Brains? Inside the International Hunt for the Ghost Particle How To Make A Living When Robots Take Our Jobs Fusion Energy Explained – Future or Failure How Big is the Moon Really?