We
think of color as a fundamental quality of the world around us.
But in the outside world, color doesn’t actually exist.
When
electromagnetic radiation hits an object, some of it bounces off and is
captured by our eyes. We can distinguish between millions of combinations of
wavelengths — but it is only inside our heads that any of this becomes color.
Color is an interpretation of wavelengths, one that only
exists internally.
And
it gets stranger, because the wavelengths we’re talking about involve only what
we call “visible light,” a spectrum of wavelengths that runs from red
to violet. But visible light
constitutes only a tiny fraction of the electromagnetic spectrum — less
than one ten-trillionth of it. Continue reading at –
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