Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest ...

Inspired by the Japanese art of kirigami, a team of scientists from the University of Amsterdam have developed a material ...

Linkind Solar Pathway Lights SP6 are versatile, bright, and programmable via Bluetooth. You can get a 4-pack for just $100.

How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

“How can we be sure that people see the same color when they look at something?” – Henrietta, age 12, Market Harborough, UK In fact, we can’t be so sure that we do all see the same colors. What colors ...

Physicists tested light speed using cosmic gamma-ray bursts. Study confirms Einstein's prediction that all light colors travel at same speed.

Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. A week or so ago, I got a question on Facebook that was relayed from ...

Auroras occur when charged solar particles bash into Earth's magnetic field and funnel toward the poles. The types of atoms these particles hit determines the color of light emitted. When you purchase ...

Oil and water may not mix, but the two have now revealed a new example of structural color, in which an object’s hue arises from its shape. Studying droplets made of two layers of clear oil, ...