QUEZON CITY, Philippines — A single droplet of acid, a small electrical current, and ten minutes are the surprisingly modest ingredients needed to turn aluminum, one of the world’s most common metals, ...

What do those colorful iPod Nano cases have in common with sapphires? In both substances the color is not on the surface, but integrated in the structure of the material. As usually, [Bill Hammack] ...

Due to safety, cost, health and environmental factors, there is a lot of pressure to use alternatives to CAA and hexavalent chromium. This project has strived to develop innovative chromate-free ...

A pan-European research team has developed a self-aligned oxidised porous silicon optical waveguide with reduced loss. The team, from Belarus, Italy, France and the UK, achieved low optical losses of ...