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

When light passes through materials, it typically changes direction and bends in predictable ways. This change in direction, ...

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 ...

A team of scientists led by Academician Professor Xiang Zhang, President and Vice-Chancellor of The University of Hong Kong ...