Flashlights are handy around the house, but what if you want a stealthier approach to illuminating the night? Infrared LED flashlights can be acquired at relatively low cost, but where’s the fun in ...

Humans navigate the world predominantly by sight. And yet there are colors and worlds we cannot see. Infrared light—light whose wavelength is longer than our eyes can detect—exists all around us. But ...

Neuroscientists and materials scientists have created contact lenses that enable infrared vision in both humans and mice by converting infrared light into visible light. Unlike infrared night vision ...