One of the most confounding moments after I got my first Amazon Echo Dot was when its light ring began pulsing yellow, ...

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but our brains evolved a solution. When we “see” a combination of blue and red ...

That’s why we cannot make out UV or infrared light—UV wavelengths ... like pigment—of our imaginations, purple has earned a rich reputation as the color of royalty, nobility, power, luxury ...