You can tell a lot about a material based on the type of light shining at it: Optical light illuminates a material's surface, ...
Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all ...
For over a century, light has both helped and limited our view of the ...
Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as ...