Straight out of science fiction, these contact lenses convert infrared light into visible light that humans can see ...

As I watched the last light ... green eyes flashing up at me. Nope, not a bear, just two remarkably large raccoons. It is always rather exciting to see eyes glowing at you in the dark.

Researchers have made the first contact lenses to convey infrared vision — and the devices work even when people have their eyes ... light. Moreover, unlike night-vision goggles, which amplify ...