Visualising the colours birds perceive reveals the ultraviolet patterns that are usually hidden from us. Credit: Vasas et al. (2024) PLOS Biology, Author provided If you've ever wished you could see ...

Most strikingly, the team also found that CIPS shows giant birefringence in the blue–UV range: Light traveling out-of-plane through the crystal experiences a very different refractive index than light ...

One of the more exotic technologies being explored for Army networking is ultraviolet communications. It can be employed for non-line-of-sight (LOS) communications or direct LOS, and it is harder for ...

One of the enduring commonalities across most human societies is the belief that our eyes are a window into the immutable truth of the universe. Eyewitnesses are accorded special status in trials, ...

Blueberries owe their striking color not to blue pigments, but to microscopic structures in their waxy coating that scatter blue and ultraviolet light. This natural “optical trick” could inspire ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

Researchers from TU Delft and Radboud University (The Netherlands) have discovered that the two-dimensional ferroelectric material CuInP₂S₆ (CIPS) can be used to control the pathway and properties of ...