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 Unlimited Resources From Space – Asteroid Mining Elon Musk showed off the elevator that will bring cars into tunnels under busy LA traffic Can We Live Forever? You Are Made Of Viruses, Get Over It No, We Did Not Just Solve Dark Matter and Dark Energy Could A Sunken Continent Explain The Spread Of Lemurs Across The World?