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Cover: This composite of confocal microscope images shows a section of the medial superior olive of the Mongolian gerbil. The MSO is the place in the mammalian brain where essential parts of sound localization begin. The yellow band, about 60 mm wide, is a neatly aligned stack of neurons, stained to show some of the neurotransmitter receptors. Extending to the sides are the neurons' dendrites, shown in blue. Recent insights into how the MSO processes sound cues are reported on page 13.

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Physics Today -- October 2002

Volume 55, Issue 10, pp. 9-76

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  • ARTICLES
  • PHYSICS UPDATE
  • LETTERS
  • SEARCH AND DISCOVERY
  • ISSUES AND EVENTS
  • OPINION
  • BOOKS
  • NEW PRODUCTS
  • WE HEAR THAT
  • OBITUARIES
    •

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    ARTICLES

      Toward a Synthesis of the Newtonian and Darwinian Worldviews
      Physicists seek simplicity in universal laws. Ecologists revel in complex interdependencies. A sustainable future for our planet will probably require a look at life from both sides.
      John Harte
      pp. 29-34
      Abstract    Full Text: [ HTML   PDF (5687 kB)  ]   

      Optical Studies of Single Quantum Dots
      Like atoms, quantum dots can be probed and manipulated with light. Unlike atoms, they can be customized.
      Daniel Gammon and Duncan G. Steel
      pp. 36-41
      Abstract    Full Text: [ HTML   PDF (1186 kB)  ]   

      Eugene Wigner, Nuclear Engineer
      Wigner led the design of the Hanford nuclear reactors and founded a school to teach reactor physics to people working in industry.
      Alvin M. Weinberg
      pp. 42-46
      Abstract    Full Text: [ HTML   PDF (1494 kB)  ]   

    PHYSICS UPDATE

    LETTERS

    SEARCH AND DISCOVERY

      Inhibition in the Brain Plays a Key Role in Sound Localization
      New experiments demonstrate that processing interaural timing differences entails more than just delay lines.
      Richard Fitzgerald
      pp. 13-14
      Abstract    Full Text: [ HTML   PDF (135 kB)  ]   

      Do Atomic Force Microscope Arrays Have the Write Stuff?
      IBM researchers have developed an array of 1024 cantilevers, called Millipede, as a high-density alternative to magnetic recording. Moving across a polymer film, Millipede leaves footprints that encode information.
      Barbara Goss Levi
      pp. 14-17
      Abstract    Full Text: [ HTML   PDF (419 kB)  ]   

      A Puzzling Increase in Earth's Oblateness
      Geophysicists and oceanographers are scrambling to explain why the slight bulge around Earth's equator, which had been slowly shrinking since 1979, abruptly reversed that trend four years ago.
      Barbara Goss Levi
      pp. 17-18
      Abstract    Full Text: [ HTML   PDF (387 kB)  ]   

    ISSUES AND EVENTS

      Deep-Sea Km3 Neutrino Detector Gets Thumbs Up
      To realize a humongous underwater neutrino detector, scientists from the various smaller deep-sea detectors should start laying the groundwork for an international collaboration, says a panel of experts.
      Toni Feder
      pp. 20-21
      Abstract    Full Text: [ HTML   PDF (434 kB)  ]   

      PCAST Advises Bush to Boost S&T Role in New Homeland Security Department
      According to the President's Council of Advisors on Science and Technology, sophisticated technology will be an important tool in preventing and responding to terrorist attacks, and the new homeland security department must have a strong, centralized science and technology office to meet the challenge.
      Jim Dawson
      pp. 22-23
      Abstract    Full Text: [ HTML   PDF (158 kB)  ]   

      Solar and Space Physics Get a Detailed 10-Year Plan
      A comprehensive National Research Council study weaves a decade's worth of projects together into a tapestry that could reveal the answers to some of the most difficult questions in solar and space physics.
      Jim Dawson
      pp. 23-25
      Abstract    Full Text: [ HTML   PDF (287 kB)  ]   

    OPINION

    BOOKS

      New Books

      pp. 59-61
      Abstract    Full Text: [ HTML   PDF (366 kB)  ]   

    NEW PRODUCTS

    WE HEAR THAT

      Three Cosmologists Share Dirac Medal

      p. 66
      Abstract    Full Text: [ HTML   PDF (506 kB)  ]   

      AAPM Presents Annual Awards

      p. 66
      Abstract    Full Text: [ HTML   PDF (506 kB)  ]   

      Frey Voted President-Elect of AAPM

      p. 67
      Abstract    Full Text: [ HTML   PDF (485 kB)  ]   

      Busch-Vishniac to Lead ASA

      p. 67
      Abstract    Full Text: [ HTML   PDF (485 kB)  ]   

    OBITUARIES

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