A recent claim by scientists has stunned the internet: one color we all know and love doesn’t technically exist. Despite its ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy ... Students will compare observations of visible light to develop wavelength ranges for different ...

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but ...

Let’s explore the amazing world of the electromagnetic spectrum! The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ...

While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from ...

You can make the case that none of them are in true color. But then again, if they were, they’d be unable to reveal the true nature of objects emitting or reflecting various kinds of otherwise ...

Greetings, stargazers. Spring is galaxy season for many amateur astronomers. However, when looking through an eyepiece instead of a camera for astrophotography, you might think of this as the season ...

The electromagnetic spectrum consists of a group of radiations that all travel at the speed of light (\(3\times 10^{8},m\,s^{-1}\)). In the middle of the EM spectrum is the visible spectrum ...

Trurnit, H. J., and Colmano, G., Biochim. Biophys. Acta, 31, 434 (1959).