The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the ...

Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all without mechanical motion. The design overcomes a long-standing efficiency-versus ...

Ultraviolet and near-infrared light are widely used in modern technologies but are invisible to the human eye. Researchers ...

Seven different vials are shown against a black background, each glowing a different color. From left to right, the vials are red, orange, yellow, green, blue, purple, and magenta. Quantum dots are ...