When people look into a mirror, they see an image of themselves behind the glass. That image results from light rays encountering the shiny surface and bouncing back, or reflecting, providing a ...

Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

Researchers at Northeastern University today announced that they have been able to demonstrate the unique feature of imaging through a flat lens. Using the phenomenon of negative refraction through a ...