If you’re not yet familiar with diopter lens filters, today’s featured video by Mathieu Stern shows what these special tools can do.

These three companies have developed tactile devices that help visually impaired spectators follow the live action playing ...

By stimulating thousands of individual cone cells, researchers made volunteers see a blue-green color of "unprecedented ...

Researchers discover a new color outside the range of human color vision, but you have to laser your retinas to see it ...