Add Yahoo as a preferred source to see more of our stories on Google. You perceive electromagnetic radiation in the form of light in all the colors of the rainbow. MirageC/Movement via Getty Images ...

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Color perception is an ancient and active philosophical problem. It’s an instance of the wider category of sensory perception, but since the color spectrum fits on a single line (unlike, say, touch ...

Is there a sufficiently reliable way to get an acceptable measure of the actual colour temperature of the the light generated by an LED bulb, using generic hardware and/or software? Maybe there's an ...