Blue lasers, lasers that emit a light beam with a wavelength between 400 nm and 500 nm, are key components of various ...

Shadows have been integral to humanity’s exploration of light and its properties. From their depiction in ancient shadow ...

Can light cast a shadow? It sounds like a tricky riddle, but researchers have shown that, under special conditions, a laser ...

High harmonic generation (HHG) is a highly non-linear phenomenon where a system (for example, an atom) absorbs many photons ...

A New York teen lost vision in his left eye moments after powering up a "defectively designed," Chinese-made laser pointer he ...

Women’s college basketball rankings: South Carolina drops to No. 4 as 43-game win streak ends 17 easy ways to make stuffing ...

Reducing blue-light on your Windows PC, Mac, or Chromebook is a good way to protect your circadian rhythm and reduce eye strain. While you can download third-party apps, the latest versions of the ...

Whether you're braving the cold outdoors or cozying up inside, these winter skincare essentials are the perfect tools for a ...

Best Buy’s Cyber Monday sale is now live. Here are the best discounts on Wirecutter’s expert-recommended picks.

A study by researchers working in Brazil shows that antimicrobial photodynamic therapy in which blue light targets annatto ...

The best at-home, FDA-approved red light therapy tools and panels for the face and body in 2024, according to editors, ...

Photo by Dakota McCoy Clams called Heart cockles, found in the warm, equatorial waters of the Indo-Pacific, have a mutually ...