Whenever we get a big snowfall, people ask, "Why is snow white?" The answer, as always, is science!

Rainbows do not naturally divide into seven clear colors. Isaac Newton chose seven to match religious and symbolic beliefs of his time. Indigo was added to fit numerology, not physics. The visible ...

A green flash is a rare event that occurs around sunrise or sunset, in which green light makes it through the refraction of ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2026.250149, discusses a quarter-wave geometric-phase route ...

A research team, affiliated with UNIST, has unveiled a flexible photodetector, capable of converting light across a broad ...

Native plants have evolved in symbiotic relationships with local wildlife. Plants offer nourishment and shelter in exchange ...

A single gold nanoparticle tends to absorb within a narrow band. Much of its strongest response sits in visible wavelengths.

Optical transparency was achieved via 3D-printed micro-patterned pillar structures and a solvent-free monomer. Color tunability was controlled by the thickness of the top transparent electrode, ...

Hiking in the winter can be a magical experience, but to ensure you stay safe from hunters and are easy to spot in emergencies, consider wearing this color.

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 ...

With macOS Tahoe 26 and newer, you can change and customize the color of your folders as seen within the Finder. This is a ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found.