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 ...

We have some special stuff coming up shortly, and a pair of 3D glasses will come in mighty handy. So while you’re running around Christmas shopping, pick up some blue and red cellophane and follow ...

If you can't get your hands on a pair of solar eclipse glasses, experts say there are still ways to enjoy the event safely. There are also unsafe alternatives, including wearing your normal sunglasses ...