VOTD: Find Out How Film Projectors Work

how film projectors work

If you’re a huge fan of movies, but you don’t know much about the technology that makes them possible, then we have the perfect informational video for you.

University of Illinois professor Bill Hammack, known as EngineerGuy on YouTube, has put together this informative video about how film projectors work. As the video description says:

Bill tears apart a film projector to reveal the amazing mechanisms used in the pre-digital age to trick the mind into seeing a moving image. He uses high speed photography and animations to show how the projector moves the film intermittently, how a shutter strategically blocks light as the film moves, and how the photo sensor reads the sound. He explains how all these mechanisms are synced.

Find how film projectors work after the jump! Read More »