Scientists have revealed that purple, a popular color often associated with royalty, is fake. A figment of our imaginations.

Students will compare observations of visible light to develop wavelength ranges for different colors. Virtual option if you do not have a spectrometer If you do not have access to a visible ...

The fourth cone is sensitive to a wavelength between red and green, which gives some people the potential to see a far wider range of colors than trichromats. Up to 12 percent of women and eight ...

Colors are one of the first things people learn about in school. Well, you might have to start re-learning. At least, when it comes to one color people think is on the spectrum. Popular Mechanics ...

Scientists have discovered that purple, a color not found on the light spectrum, is a brain-created illusion when red and ...