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 Today 9:45am

Robotic Emotions Could Help Us Out of the Uncanny Valley

When the first guests arrive at Nagasaki’s Hotel Henn Na in July this year, they will be greeted and served by robots. In a similar approach, Toshiba’s android Aiko recently held a short-term role greeting customers at a department store in Tokyo. Customers were comfortable approaching Aiko to ask for directions and… » 6/19/15 3:30am 6/19/15 3:30am

Extremely Bad Reasons Why Waterless Urinals Were Illegal

We take it for granted that urinals flush. With each pull of the lever, gallons of clean water come to whisk away a few ounces of pee. If you think about it, it’s actually pretty wasteful, and the current drought is convincing facilities to consider waterless urinals. But these waterless bathroom contraptions have had… » 6/12/15 3:35pm 6/12/15 3:35pm