How color works. Unsurprising to some people, but most of what we learn in primary school about color is wrong. We are taught the rainbow is composed of red, orange, yellow, green, blue and violet ...

We might be told that color has something to do with light, or even be shown a prism, through which light refracts to produce a rainbow. This is true, but the human brain and visual system can ...

There’s no brown in the rainbow. The color map reveals that brown is actually dark yellow. (This can be confirmed by projecting a spot of yellow light on a screen in a dark room.

Rainbow colors are frequently produced in coating the silver tablets for taking daguerreotype pictures, by the formation of a thin film of the iodide of silver, ...

Ever noticed rainbow colors on a CD? Learn why CDs reflect light this way and the science behind those dazzling patterns.