Science educator and engineer Bill Nye explains what a light-year is, why we have a unique measurement for outer space, and why it’s “the coolest thing ever that there’s so much we don’t ...

A laser beam can be twisted to move like a vortex There’s a new kind of twisted light. A rotating “vortex beam” whose twist changes across the length of the beam has been created in the lab ...

Light normally travels at 300,000 km per second but both groups of researchers slowed a laser beam to a complete standstill by passing it through a specially prepared cell … Close Advertisement ...

Beam uses a light field display and six cameras to render a volumetric, real-time 3D version of the person on the other end of a videocall. There’s no headset, no weird glasses.

News; Weird News; UFOs 'Giant beam of light' appears to shoot from Earth on International Space Station video feed The golden-green beam can be seen in the feed for just a few frames as the ISS ...

An icon in the shape of a lightning bolt. ... With a beam of light representing each hostage, "Lights of Hope" spans 1,000 meters, or 3,280 feet, Jewish News Syndicate reported.