Contact lenses get pretty thin nowadays, but they’ve got nothing on a new lens from scientists at Stanford and the University of Amsterdam. The team has created the world’s thinnest lens, measuring ...

Physicists in the US have made the first ultrathin flat lens. Thanks to its flatness, the device eliminates optical aberrations that occur in conventional lenses with spherical surfaces. As a result, ...

A new way to control light using liquid crystals has been developed by researchers in Japan, who believe that their method offers many of the advantages of an artificial “metasurface” while being much ...