People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

It is a bit tamer than you might imagine. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When you look up at the night sky, it's easy to think ...

The color purple is, in a way, invented by our brains. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The world is awash with the color purple — ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

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 ...

A popular tweet about the true color of the sun has sparked a debate on Twitter as users question whether our closest star is really white or yellow. The Claim On September 12, Twitter account Latest ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hummingbirds can see an impressive array of colors that are ...

NANLUX’s Nebula C8 is a new 8-color light engine that adds Deep Red and Indigo emitters to fill further gaps in the spectrum. NANLUX has introduced what it says is the first 8-color light engine in ...