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Re: [teacherartexchange] Additive color mixing

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From: Woody Duncan (woodyduncan_at_TeacherArtExchange)
Date: Sat Mar 24 2007 - 10:51:38 PDT

Jean,
Even my physics teachers in college had trouble doing a demo on color
mixing with light. It seems that you need to purchase the most correct
color filters before you can demonstrate that mixing red, blue and
green in equal amounts create white. Using colored cellophane just
won't cut it. If you really want to do it - I'm sure there are sources
out there that you could order correct color filters from.
Good Luck, Woody

On 3/24/07, Jean Womack <jeaneger@jeaneger.com> wrote:
> Hello art teachers,
> I am teaching a home-schooling course in the evening to a couple of adults.
> We have been using the textbook The Visual Experience, which is, by and
> large, an excellent text for this purpose, with great studio exercises.
> However, I ran up against a wall trying to teach additive color mixing
> (mixing colored lights). I tried to use red, yellow and blue cellophane on
> flashlights, but the result was uninspiring at best. They seemed to enjoy
> the cut cellophane which was collaged and then put into a clear plastic bag.
> That was from some other text, not TVE. Any ideas about color mixing with
> light? Surely the drama and computer people don't have a corner on this
> concept.
> Thanks once again for your help,
> Jean Womack
>
>
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