"It is not a new color," John Barbur, a professor of optics and visual science at City St George's, University of London, ...

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

However, the laser only stimulated the M cone cells in the retina, which essentially allowed the human eye to perceive a color "that never occurs in natural vision," the study read. Getty Never ...