Researchers at the University of Hong Kong demonstrate negative light refraction with the natural magnetic material CrSBr – ...

Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

Concept of magnetic order-mediated excitonic negative refraction and schematic of the micro-device. Imagine shining a ...

Discover how ice crystals and winter skies create sundogs, sun pillars and halos — and when to look up from the Nature Center ...