The strange, apocalyptic skies during the storm reveal how light behaves in the atmosphere when it’s filled with an unusual ...

It's an age-old question and one that any meteorologist hears quite often. Why is the sky blue? It has to do with light waves ...

Human eyes contain three types of cone cells, each sensitive to different ranges of wavelengths: red, green, and blue. The cones responsible for green and red are more sensitive than those for ...

Do 8K TVs for gaming make sense now? When is it time to replace a TV? How does the way a TV makes a picture match up with how ...

Due to its rusty red appearance caused by iron oxide in its soil, Mars has always been known as the Red Planet. However, ...

THE Northern Lights illuminated Britain’s skies in a stunning display of red, green and blue last night. Breathtaking photos ...

Researchers at Nichia Corporation have demonstrated green InGaN-based lasers grown on c-plane sapphire, with lifetimes capable of supporting commercial applications. The demonstration of green ...

green, blue, cyan, purple and white. This higher priced model by CurrentBody is FDA-approved and offers three clinically proven LED wavelengths including: blue (415nm), red (633nm) and near ...

Red light therapy works by exposing your skin to low-levels or red or near-infrared light, which may produce a biochemical ...

Blue diamonds, such as the Hope Diamond, owe their color to trace amounts of boron, which absorbs red, yellow, and green ...