Add Yahoo as a preferred source to see more of our stories on Google. Mano Raj Dhanalakshmi Veeraraj and Joan Vila-Comamala, both from the PSI Center for Photon Science, with the achromatic neutron ...

Flat optics are made of nanostructures containing high-refractive index materials to produce lenses with thin form factors that function only at specific wavelengths. Materials scientists have ...

Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and ...

Neutrons can pass through dense metal while remaining sensitive to hydrogen, lithium and other light elements. That makes them valuable for looking inside engines, batteries, plants and archaeological ...