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Cover: If you were plummeting toward the old market square in Tübingen, Germany, at 90% the speed of light, this is what you'd see. Lorentz contractions and the finite travel time of light produce a hyperbolic distortion that tilts the buildings outward. The image is part of an interactive computer simulation that is joining exhibitions around the world about Albert Einstein. For a taste of the many activities planned for the World Year of Physics, turn to page 28. For more on Physics Today’s plans, turn to page 10. (Image courtesy of Marc Borchers, Tübingen University, and the Max Planck Institute for Biological Cybernetics, Tübingen.)

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Physics Today -- January 2005

Volume 58, Issue 1, pp. 9-69

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

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    ARTICLES

      God's Rays
      The physicist's quest for understanding is not the only way to raise the level of our existence and give our lives meaning.
      Bryce DeWitt
      pp. 32-34
      Abstract    Full Text: [ HTML   PDF (128 kB)  ]   

      Computational Science Demands a New Paradigm
      The field has reached a threshold at which better organization becomes crucial. New methods of verifying and validating complex codes are mandatory if computational science is to fulfill its promise for science and society.
      Douglass E. Post and Lawrence G. Votta
      pp. 35-41
      Abstract    Full Text: [ HTML   PDF (732 kB)  ]   

      How to Popularize Physics
      An outreach effort can combine an eager audience, a favorite topic, and a preferred medium of expression to achieve a wonderful teaching experience.
      Elizabeth H. Simmons
      pp. 42-47
      Abstract    Full Text: [ HTML   PDF (467 kB)  ]   

    FROM THE EDITOR

    PHYSICS UPDATE

    LETTERS

    SEARCH AND DISCOVERY

      An Array of Cherenkov Telescopes Yields the First Resolved Image of a Celestial Gamma-Ray Source
      Imaging with TeV photons provides the most direct evidence yet that cosmic rays originate in the shock fronts of supernova remnants.
      Bertram Schwarzschild
      pp. 19-21
      Abstract    Full Text: [ HTML   PDF (475 kB)  ]   

      New Study Correlates Mantle Melting to Mid-Ocean Ridge Segments
      Variations found in the composition along a stretch of exposed mantle on the Arabian peninsula offer fresh evidence for the link between the length scale of ridge segments and Earth's convection process.
      Mark Wilson
      pp. 21-23
      Abstract    Full Text: [ HTML   PDF (1164 kB)  ]   

    ISSUES AND EVENTS

      R&D Budget Brings Modest Increases to Most Civilian R&D; NSF Takes a Hit
      As in the past three US budgets, defense and homeland security received most of the federal R&D dollars. With the federal deficit at $413 billion and climbing, most budget experts expect science funding to get worse before it gets better.
      Jim Dawson
      pp. 24-30
      Abstract    Full Text: [ HTML   PDF (198 kB)  ]   

      Activities Large and Small Set for International Year of Physics
      Toni Feder
      pp. 28-29
      Abstract    Full Text: [ HTML   PDF (453 kB)  ]   

    OPINION

    BOOKS

      New Books

      pp. 57-59
      Abstract    Full Text: [ HTML   PDF (209 kB)  ]   

    NEW PRODUCTS

    WE HEAR THAT

      NWO Awards Spinoza Prize

      p. 63
      Abstract    Full Text: [ HTML   PDF (96 kB)  ]   

    OBITUARIES

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