Purple exists only in our brains
SMRTR summary
Purple is a unique color created by our brains, not present in the visible light spectrum. When our eyes detect both long (red) and short (blue) wavelengths simultaneously, the brain invents purple to resolve this confusing input, bending the linear color spectrum into a circular wheel.
SMRTR provides this summary for quick context. The original article belongs to Hacker News.
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