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Electromagnetic spectrum: radio, TV transmission, visible light, infrared, ultraviolet radiation, x rays, gamma rays; despite vast differences in uses & means of production, these are all electromagnetic waves w/ same general characteristics, including propagation speed (in vacuum) of c & the relation c = wavelength times frequency holds for each

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Schemochromes: the physics of structural plumage colors

I love talking about the electromagnetic spectrum. There is so much more to it than visible light... and electromagnetic radiation is so darned useful.

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In 1671, Sir Issac Newton postulated that all color was inherent in white light, but different materials reflect different colors in the white light. He proved that color is an object interacting with already colored light rather than objects themselves creating the color. A great proof of this is the prism, which takes white light & disperses it so that each wavelength of electromagnetic radiation (light) leaves the prism at a slightly different angle, illustrating the visible spectrum…

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How to Remember the Rainbow and Order of the Visible Light and Color Spectrum - roygbiv

How to and Best Way to Remember the Order of the Visible Light / Color Spectrum - Meet Mr. Roy G. Biv - roygbiv

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Sometimes I try to picture what everything would look like if the whole spectrum were compressed into the visible spectrum. Also sometimes I try to picture your sister naked.

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yes.....a black object absorbs all the colors of the visible spectrum and reflects none of them to the eyes.....it's mysterious, beautiful, complex just like the heart....and the human condition......

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You know more about the electromagnetic spectrum than you may think. The image below shows where you might encounter each portion of the EM ...

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