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 ...

DAYTON, Ohio (WDTN) — Rainbows are a visual phenomenon made by light reflecting through raindrops like a prism, according to Rainbow Symphony. Double rainbows are an uncommon phenomenon, made after a ...

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 ...