Have you ever looked up after a sudden rainstorm and been caught off guard by a brilliant arc of color painting the sky?

Then there’s brown. 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 ...

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 ...

It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first ...