News

  1. Tech

    Thrifty trucks go with the flow

    Forcing air through strategically placed slits on a tractor trailer results in a major boost in fuel economy.

    By Peter Weiss
  2. Earth

    Early Warning: United States to deploy 32 more buoys for sensing tsunamis

    On Jan. 14, the Bush administration announced a $37.5 million program to expand the nation's tsunami-warning capabilities.

    By Sid Perkins
  3. Tech

    Micro Musclebot: Wee walker moves by heart cells’ beats

    A new breed of mobile micromachine made of living heart tissue, gold, and silicon takes a step with each rhythmic contraction of its muscle cells.

    By Peter Weiss
  4. Materials Science

    Infrared Vision: New material may enhance plastic solar cells

    The vision of flexible, low-cost, lightweight plastic solar cells has moved one step closer to reality with the creation of a material that can harness infrared light.