As red-light laser therapy gains popularity in Asia for slowing myopia in children, reports of vision damage have emerged, ...

It's not easy being green. Scientists for years have made small red and blue lasers, but other colors, including green, have been a challenge. A team has now filled this technology gap by creating ...

Concerns voiced over pilots' abilities to comprehend red-red-green light sequence General-aviation groups have expressed cautious approval of a laser-based visual warning system (VWS) to alert pilots ...

Scientists have made small red and blue lasers for years, but other colors have been a challenge. Researchers have filled an important technology gap by creating orange, yellow and green lasers tiny ...

For years, scientists have fabricated small, high-quality lasers that generate red and blue light. However, the method they typically employ — injecting electric current into semiconductors — hasn’t ...