Localized anodic oxidation reaction of the material in acidic solution provides method of oxide film to rapidly and reversibly switch between silver surface and matte black.

The iShares Silver Trust offers easy, liquid exposure to silver, but investors can't redeem shares for physical metal and face higher fees than some rivals. Tracking ...

AMES, Iowa – Martin Thuo likes to look for new, affordable and clean ways to put science and technology to work in the world. His lab is dedicated to an idea called frugal innovation: “How do you do ...

(Nanowerk Spotlight) Creating electronic circuits that can bend and flex while maintaining reliable electrical connections presents significant engineering challenges. Traditional electronics rely on ...