The best monoculars are best for portable stargazing and we expect these models to drop in price on Black Friday, Nov. 28. When you purchase through links on our site, we may earn an affiliate ...

Transformation optics is a technique that simplifies the modelling of optical devices by altering the coordinate system, warping space to control the trajectories of light rays. The mathematical tool ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...