Those of us who have ever used a magnifying glass to start stuff on fire, rejoice — it ends up we were doing the same kind of science that could build roads, launch pads, and more on the Moon. A paper ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But ...

Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light. Lenses are the most widely used ...

Infrared light passes through the metal lens and is converted into violet light and focussed in a focal point due to the material and the special surface structures – enlarged in the magnifying glass.