Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

The number of times academic articles are cited by subsequent publications is among the time-honored measures used to assess scholarly standing and evaluate academic productivity. But not all of these ...

Throughout the history of math and science, supposedly impossible negative things have repeatedly turned out to be important both mathematically and physically. Here is my unofficial (no, let’s make ...

Not all academic citations are positive ones, and a new paper finds that as many as one in 50 citations in a top immunology journal were critical in nature. The number of times academic articles are ...