pt. I. Geometrical optics. Light rays -- Plane surfaces -- Spherical surfaces -- Thin lenses -- Thick lenses -- Spherical mirrors -- The effects of stops -- Ray ...

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 ...

Since man first looked up to the sky, the moon has been one of the most fascinating and admired celestial bodies. It appears ...