Nowadays, most business orientation guides for employees are on DVD or are streamed over the Web, but you can still find relevant information on 8mm or 16mm film reels, so you may need to learn how to ...

Have you ever wanted to be a projectionist? Back in the days when 35mm projectors could be found in every theater, in every cineplex, in every town. Nowadays they're lost relics of a different time.

In his latest YouTube video, Bill Hammack, University Of Illinois professor and self-proclaimed EngineerGuy, brings his How It Works­-esque video know-how to film projectors. But Hammack isn’t ...