Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength ...

Swiss scientists have developed an ultra-thin lens that turns infrared light into visible light using lithium niobate and ...

Even high-performance smart phone cameras still require a stack of lenses that often account for the thickest part of the ...

Life, in its quietest moments, glows gently—so subtly that it’s invisible to your eyes but bright enough for science to ...

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.