This old-school idea on how to repurpose 3D viewers shows us how much—and how little—the technology has changed. By Bill Gourgey Published Nov 7, 2023 9:00 AM EST Get the Popular Science daily ...

I saw the Pixar film Elemental this week. It's a story about Element City, where fire people, water people, cloud/air people and earth people all live alongside each other, sometimes uncomfortably.

So, I bought these cheap universal 3d active shutter glasses for my brand new 50 inch Sharp LED HDTV. I thought these cheap ones would do until I could afford the offical Sharp glasses. However, I can ...