In a standard color CRT monitor, three electron beams each excite phosphors for the three primary additive colors: red, green, and blue. In black and white CRTs, there's just a single electron beam, ...

If you were tasked with designing a color video monitor, it’s pretty clear how you’d go about it. But what if you’d been asked to do so 20 years ago? Would it have been a cut and dried from an ...