This clip challenges viewers to stare at a fixed point and wait for a color effect that feels impossible to explain. The ...

TL;DR: Researchers have discovered a color called "olo," unseen by humans before, by stimulating specific M cones in the retina. This breakthrough bypasses natural RGB limitations, revealing a unique ...

UC Berkeley scientists created “olo,” a never-before-seen color that exists beyond the natural human vision range by precisely targeting individual photoreceptor cells in the eye. The technology, ...