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Kitchen chromatography

Susan Houde-Walter

Most primary school kids are taught that white light can be dispersed into a spectrum and that light of any spectral color can be synthesized by combining various intensities of red, blue, and green light. However, when kids mix paints they see that red paint mixed with green paint is not yellow; rather, it's olive-drab or brown.

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Kitchen chromatography

Susan Houde-Walter

Most primary school kids are taught that white light can be dispersed into a spectrum and that light of any spectral color can be synthesized by combining various intensities of red, blue, and green light. However, when kids mix paints they see that red paint mixed with green paint is not yellow; rather, it's olive-drab or brown.

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Publish Date: 01 June 1990


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