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How a Film Projector Works, And Why They're Still Mechanical Marvels

When going to see a movie, many of us probably go out of our way to make sure the theater has been upgraded with high-res digital projectors. The golden age of film might be behind us, but as engineer guy Bill Hammack explains, the projector is still an impressive feat of mechanical design, capable of creating one of… » 7/07/15 9:45am 7/07/15 9:45am

Why the Simple Aluminum Can Is Actually a Brilliant Piece of Engineering

You probably don’t give much thought to the aluminum can holding your sweet, sweet caffeine hit at lunch. But engineerguy Bill Hammack explains why the simple cylindrical can holding your Diet Coke is actually brilliantly designed and engineered for being both easy and cheap to produce, but also strong and… » 4/14/15 9:20am 4/14/15 9:20am

The Hardest Part of Making a Nuclear Bomb

Nuclear bombs are easy to make, right? Find some uranium, shove in some explosives and—BOOM!—you're quite literally done. Umm, sorry, nope. The big problem in making a nuclear bomb is that you need enriched uranium, and that's actually a real pain in the ass to make. In this video the engineering guy Bill Hammack » 6/19/12 7:55am 6/19/12 7:55am