The first flat lens that works within a continual bandwidth of colors, from blue to green, has now been developed by researchers. This bandwidth, close to that of an LED, paves the way for new ...

For centuries, telescopes have relied on curved lenses and mirrors to capture images of the cosmos. While effective, these ...

Researchers at the University of Washington have created a contact lens with an LED display built into it. Whilst at present the contact lens device has only a single pixel of information, the ...

Researchers in Israel have made a new type of contact lens that can correct a form of red–green colour blindness known as deuteranomaly. By incorporating plasmonic metasurfaces into standard contact ...