As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Visible light is only a small part of the electromagnetic spectrum, but some people see more of it than others. Let's take a ...

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

Why Trust Us? The human eye does not actually see purple, as purple is not a color on the visual spectrum. Purple is a combination of wavelengths from opposite extremes of the spectrum ...

Researchers used powerful XFELs to trigger strong inner-shell lasing, producing attosecond hard X-ray pulses. Filamentation ...

Mother Nature really has been putting on a show during the sunrises and sunsets, that is all thanks to the Canadian wildfire smoke that continues to move into the Midwest.