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I think that "the sum of all colors is black" means that black does not reflect any color---so the surface has all colors. White is where every color is reflected, so what you see is the sum of all colors, but the surface has an absence of non-relected color. I guess it is how you choose to look at it.
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rivka - you are my hero! I was starting to wonder if ANYONE else had ever mixed pigment . . . tsk, tsk, tsk.
fallow - go to the library (I SHAN'T lend these out - no way) and look up Outlander by Diana Gabaldon. And then plunk yourself down in a chair with a plate of nummies and a drink and prepare to read.
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Shan, in kindergarten I was really good at mixing fingerpaints!
And the additive/subtractive combination of colors is one of my favorite topics to teach physics students.
Posts: 32919 | Registered: Mar 2003
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*Peruses the collective body of work attributed to that historically mysterious figure "FP" - often conjectured to have painted soley with digits. sans tools.*
*fallow scribbled in his notebook*
*cackle*
"the secrets of the sisterhood shall soon be revealed!"