This solar-powered security light is both environmentally, and an extremely efficient outdoor flood light. The lamp operates ...

Infrared radiation (IR), or infrared light, is a type of radiant energy that's invisible to human eyes but that we can feel as heat. All objects in the universe emit some level of IR radiation, but ...

Scientists have known since the 1940s that some people can see near-infrared light as if it were visible light. But the mechanism of IR vision has remained uncertain. Now, Krzysztof Palczewski of Case ...

Contact lenses have enabled people to see beyond the visible light range, picking up flickers of infrared light even in the dark – or with their eyes closed. The lenses contain engineered ...