Why Do Printers Use CMYK-03

In elementary school we are taught that Red, Yellow, and Blue are the primary colors, so then why do printers use CMYK (Cyan, Magenta, Yellow, and Black)? And why do TV’s and monitors use Red, Green, and Blue? The answer is actually pretty straight forward and easily explained with a few pictures. Additive vs. Subractive The first thing to understand about colors is the difference between bein...