If you tell someone an object is yellow, how do you know that they actually perceive it to be yellow, and not some other color that they have always tagged with the word yellow?





		If you tell someone an object is yellow, how do you know that they actually perceive it to be yellow, and not some other color that they have always tagged with the word yellow? *Submitted by Kevin Branderburg from Normal, IL*
		How do you know that you're even perceiving yellow the same way, time after time, day after day? Maybe your internal color filter is failing, along with your general health and your tenuous grasp on reality? If you're wearing those over-priced amber sunglasses and you look at a blue object, chances are it will seem black. Is it black, or should you buy a more expensive pair of sunglasses? Do objects even have color, without someone to perceive it? If I were you, I'd worry less about what others are seeing, and keep the focus on myself.


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