Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...

fabricated and tested flat ... A research team from the Department of Chemistry at UNIST has announced that they have identified a novel pathway through which blue light can damage cellular proteins.

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Complementary colors live on opposite sides of the color wheel. Imagine red and green, blue and orange, or yellow and purple. Or move a half step over on the wheel, and combine a yellow-green color ...

A much touted emerging treatment, red light therapy, lives up to the hype for a lot of health claims, but certainly not ...

Mantis shrimp have remarkable colour vision. They have as many as 16 types of photoreceptor cone, compared with the three ...

1. There are currently 44 active national emergencies in the U.S., with one going all the way back to 1979. 2. Approximately 430 quintillion joules of energy from the Sun hit the Earth every hour.