News

  1. Materials Science

    Fracture Protection: Nanotubes toughen up ceramics

    The addition of carbon nanotubes to a ceramic material dramatically improves its fracture resistance.

    By Jessica Gorman

  2. Brain learns to sharpen its focus

    A brain-imaging study indicates that visual learning intensifies activity in a specific part of the neural gateway for information transmitted from the eyes.

    By Bruce Bower
  3. Astronomy

    Runaway black hole

    Observing a black hole and its visible companion star caroming through our galaxy, astronomers have found the best evidence to date that stellar-mass black holes are born during supernova explosions.

    By Ron Cowen
  4. Materials Science

    Carbon nanotubes beam electrons

    Researchers have taken a step toward using carbon nanotubes as electron sources in devices such as high-resolution electron microscopes.