Physics

  1. Materials Science

    Up to Snuff: Nanotube network fights flames

    Researchers have found that infusing plastics with a network of carbon nanotubes reduces their flammability.

    By
  2. Physics

    Light Pedaling: Photonic brakes are vital for circuits

    A novel silicon microchip device slows and varies light-pulse speeds—a function considered critical for the development of photonic circuits based on light instead of electrons.

    By
  3. Physics

    A matter of gravity

    Gravity Probe B has finished its test of general relativity but results of the study won't be known for another year.

    By
  4. Physics

    Nanobots walk ‘n’ roll

    A molecule that waddles on stubby feet and another that drives on ball-like wheels demonstrate scientists' increasing control over the usually haphazard motion of molecules on surfaces.

    By
  5. Materials Science

    Brainy bandages

    Researchers have taken a step toward smart bandages that would indicate the presence of an infection in a wound.

    By
  6. Materials Science

    Slim and Sturdy Solar Cells: Nanocrystals offer path to electricity

    Researchers have crafted an ultrathin solar cell out of inorganic nanocrystals that have several of the advantages of plastic but avoid some of its shortcomings.

    By
  7. Materials Science

    Explosive tempers

    Researchers have demonstrated that carbon nanotubes, once ignited, can detonate explosives.

    By
  8. Materials Science

    Filling in the blanks

    Scientists have added precision to a patterning technique called microcontact printing.

    By
  9. Materials Science

    Heart of the Matter: Scanning scope digs deeper into microchips

    Researchers have developed a noninvasive imaging technique that lets them see deep inside a microchip.

    By
  10. Materials Science

    Carbon nanotubes get nosy

    Researchers have demonstrated that individual nanotubes, decorated with DNA, can rapidly detect a number of gases.

    By
  11. Physics

    Transistor laser flaunts twin talents

    A transistor that doubles as a laser can now operate at room temperature, bringing it to the verge of practical applications.

    By
  12. Physics

    Champion of strength is forged in mighty anvil

    A new form of carbon created in an anvil and composed of microscopic needles of diamond has emerged as the strongest known material.

    By