But despite attempts from the best scientists and philosophers, what color truly is, if it’s even anything tangible, remains elusive. When it comes to the vexing problem of red or any other gradient, ...

Home; Entertainment And News; There’s One Color That Doesn’t Exist — Our Brains Made It Up, According To Scientists You've been bamboozled by your own brain!

How many colors are in the rainbow? Seven said Sir Isaac Newton. Of course, Newton knew that a spectrum is just that, a continuous gradation from one color to another.

In this extract from the new book Beautiful Experiments: An Illustrated History of Experimental Science, science writer Philip Ball explains how Isaac Newton transformed our understanding of light.