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 ...

What color is the coronavirus? Conventional optical microscopes are unable to generate high-resolution, colored images of viruses and bacteria. Expensive equipment is used to view them in a more real ...

Please provide your email address to receive an email when new articles are posted on . Most school-aged children demonstrated less than 1 D of myopic spherical equivalent difference between ...