Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

LEDs and other electric light sources are not quite as uniform across the spectrum, but they still appear white or achromatic, meaning without color. Mixtures of wavelengths combine and appear as ...

You perceive electromagnetic radiation in the form of light in all the colors of the rainbow. MirageC/Movement via Getty Images ...

The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

One could pattern the sequence after the ordering of visible light by wavelength (remembered by the mnemonic ROYGBIV), but use of this color spectrum is inherently problematic. The transitions ...

"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

The world is full of animals and plants displaying a full spectrum of colors, but for some species, time is running out. These Gouldian finches show how colorful nature can be and what we might ...

You can repeat this experiment with isopropyl alcohol (rubbing alcohol) to see if the inks separate. So, is black a color? Each of the colored components in a black ink absorbs a portion of the ...