Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "dfaprinting" 
<dfaprinting@y...> wrote:
> There are parts of the color theory and descriptions of the operation 
> of the retina that do not hold in modern science. EX. "Recall that 
> blue light+ yellow light = white light." This is absolutely wrong. 
> Try it and find out, go to any stage, and put a yellow gel on a 
> light, and a blue gel on another. Then aim the lights so that they 
> mix, you will not get white. They may want to do some more research 
> on color theory by going through the tutorials at 
> http://www.measureitrite.com/ . They are free. They should go through 
> atleast the color theory module, and really they need to pick up a 
> couple of modern books on color theory and how it works with the eye 
> and on prints (additive and subtractive).

Actually, I need to correct this. In the context of the previous 
sententces, this would not work.There are of course conditions that 
will make that statement correct. It needs a qualifier with it.