Purple is not real. Not in the way you think. That spectacular shade you see in a field of lavender, the richness of an eggplant, or the glow of a neon sign? Sorry to burst your bubble ...

The human eye does not actually see ... brain don’t know what to do with them, so they compensate, and the clashing wavelengths register as the color we call purple. It doesn’t actually ...

It’s not as noteworthy ... as a “NO TRESPASSING” sign. The legislature adopted the law as a low-cost alternative to posting no trespassing signs. The purple paint also has the advantages ...