In junior high school in the 1970s, I built a small helium-neon laser ... the particular frequency of laser light so the beam is less visible). For blue and green lasers, red goggles are required.

Until March 12, the exhibition will dazzle the Distillery District with fire dancers, Technicolor tiger sculptures and a whole lot of neon ... Thin beams of blue light connect every point ...

Light Blue Optics just announced Light Touch. As the name implies, LBO's product is a laser projector that turns any flat surface into an auto-focused and image-adjusted 10-inch touchscreen with ...

As Jeff Guo from our Planet Money podcast explains, the reason has to do with the Cold War, Soviet economics and dreams of space lasers. JEFF GUO, BYLINE: Here's a funny thing about this neon ...