Anyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic ...

Handheld light meters aren't just a relic of the past – they do things your in-camera light meter can't When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Light therapy may improve sleep by helping to regulate your circadian rhythm, promoting alertness during the day and facilitating better sleep at night. Share on Pinterest It may seem ...

Ball lightning has fascinated and puzzled people for centuries. This rare and mysterious phenomenon, often described as a glowing sphere of light that appears during thunderstorms, has been the ...

Best overall light therapy lamp At the time testing was done, we found the Verilux HappyLight Luxe to be the best overall light therapy lamp. It has a simple design, four brightness settings ...

That’s because your eyes get strained due to the blue light when you keep looking at a computer screen. That’s a common problem faced not only on computer screens but on smartphones as well.

Wondering whether to go for halogen or LED headlights? Both have their perks. Read on to find out which will light up your drive & keep you safer on the road. When it comes to lighting up the road ...

Slow light is an electromagnetic wave with a group velocity reduced by optical resonances in the medium through which it is travelling. These resonances can occur in atomic vapours, in photonic ...

From the movement of stars to light streaming through stained-glass windows, light has long fascinated scientists and other thinkers. An exhibition at the Getty in Los Angeles explores how an ...