So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...
Recently, a new optical illusion sent the internet into a tizzy. In this, a group of elephants were arranged in a circle. While on first look, they all looked to be blue-purple in color (or rather ...
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