Fun fact 07/30/2018

The difference between purple and violet — violet is made up of one wavelength of light, and purple is made up of two wavelengths of light (red and blue). The color we see is a result of which wavelengths are reflected back to our eyes. http://www.livephysics.com/physical-constants/optics-pc/wavelength-colors/

Read more "Fun fact 07/30/2018"