Uncategorized

  1. Physics

    Spectral atom rings in

    Electron waves can generate a phantom atom when a real atom is placed at the right spot inside an elliptical quantum corral, or loop of atoms, arranged on a surface.

    By Peter Weiss
  2. Materials Science

    Vision Quest

    Increasing numbers of people with less-than-perfect vision can now wear contact lenses, thanks to innovations in lens design and materials.

    By Corinna Wu
  3. Animals

    When Ants Squeak

    In the past 20 years, researchers studying sound communication in ants have discovered a sort of ant-ernet, zinging with messages about lost relatives, great food, free rides for hitchhikers, caterpillars in search of ant partners, and impending doom.

    By Susan Milius
  4. Humans

    Treaty Nears on Gene-Altered Exports

    In an effort to help preserve biodiversity, negotiators from 130 nations crafted rules of conduct for international trade in living, genetically engineered organisms.