Making a perfect lens that produces flawless images has been a dream of lens makers for centuries. In 1873, Ernst Abbe discovered a fundamental 'diffraction limit' in optics: whenever an object is ...
Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...
1 School of Mathematics and Physics, China University of Geosciences, Wuhan, Hubei, China 2 School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, Australia We ...