Broadly speaking, the purpose of a laser level is to measure long, flat surfaces, as well as ensure that they're leveled out. In theory, the color of the laser produced by a level shouldn't matter ...

Experts believe that a Chinese satellite fired down green laser beams that were spotted over Hawaii last month, amid growing tensions between the US and China after several foreign objects ...

Police in Tampa, Florida arrested a 26-year-old man on Monday who is accused of shining a green laser directly at an airborne police helicopter as it traveled through the night sky. A 46-second ...

Green means go, at least to the geese at Blawnox Community Park. Mayor Tony Gross said that for whatever reason, the ...

Closing the green gap Series of visible-light colours generated by a microring resonator. (Courtesy: S Kelley/NIST) On-chip lasers that emit green light are notoriously difficult to make. But ...