A rainbow reveals with colors what otherwise remains hidden: light is "refracted" by transparent matter, in this case water ...

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 ...

Refraction—the bending of light as it passes through different media—has long been constrained by physical laws that prevent independent control over how light waves along different directions bend.

Here, a calcite crystal is struck with a laser operating at 445 nanometers, fluorescing and displaying properties of birefringence. Unlike the standard picture of light breaking into individual ...

Former Surrey, B.C., employee charged with fraud in a $2.5M loss for city: police Meteorological winter is almost upon us - here's what Canadians can expect Dick Van Dyke, 99, names the two things to ...