Just when you think you've seen it all, researchers claim to have developed a way for people to see a color the human eye has ...

As reliably as an evening with an epic sunset, social media platforms flooded with similar, colorfully striped images Tuesday night when the sky turned dark in San Francisco. The laser show wasn't ...

Quanta Ray PRO350 with frequency doubling, emitting a 532 nm beam ... retinas blasted out due to an absolutely harebrained idea to use a fairly high-powered Quanta-Ray Nd:YAG laser on reflective ...

and the stimulated photons bounce back and forth between the mirrors until some finally blast out through the partial mirror to form a coherent, monochromatic laser beam. By contrast, an open ...