NASA’s laser retroreflector arrays aboard GPS III satellites enhance positioning accuracy for Earth navigation and scientific measurements by reflecting laser signals back to ground stations.

I tested a near-infrared light device that attaches to my computer, mimics the sun, and allegedly improves mood and focus. Did it work?

These handy tools tackle stubborn bolts, messy workspaces, cumbersome measurements, and other tricky tasks across the home, ...

Amid waves of Iranian drone attacks, the U.S. Defense Department is pushing to finally field high-energy laser weapons in the next 36 months.

A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background ...

If you have ever used a tape measure, you may have noticed a little hole or slot on the end of it. We'll tell you what that ...

A new laser range-finding technique, inspired by quantum physics, which can measure distances under strong solar background ...

A Zürich-based team has successfully condensed complex 4D sensing technology — once too bulky for everyday use — onto a single silicon chip.

A thin, stubbornly bright line showed up in data from the MeerKAT radio telescope that did not fit the usual rules of distance. The feature sat in a familiar part of the radio spectrum, but it was ...

Current vision systems for robots and drones rely on 3D sensors that, although powerful, do not always keep up with the ...

Renovate smarter this year with these tried-and-tested hand and power tools that deliver accuracy, speed, and quality results ...

New spacecraft techniques propose using CubeSats, laser rangefinding, and precise Doppler measurements to determine the mass of potentially hazardous asteroids during flyby missions.