Uncategorized

  1. 19220

    I am puzzled by Shuming Nie’s prognostication that quantum dots will “be the first example of nanotechnology that can really have some practical applications.” Colloidal gold particles of similar size to quantum dots have been used as high-resolution labels in electron microscopy for over 30 years. And due to their light-scattering properties, gold and silver […]

    By Science News
  2. Tech

    NanoLights! Camera! Action!

    Fluorescent particles of semiconductors are giving biologists a new view of cells and proteins.

    By Jessica Gorman
  3. Tech

    Bridge Building

    For those fascinated by the art, science, and history of building bridges, this Web site provides a wealth of information and images devoted to structures designed to span obstacles of various sorts.