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Cover: The 1-cm bubble in the center of this image was formed in a cylinder containing a water-glycerol mixture. Shaking the cylinder vertically gave the fluid, as it fell down, enough energy to form a cavity, and hydrostatic pressure pinched off the cavity. At pinch-off, two jets formed: one upward, shooting fluid into the air, and one downward, piercing the bubble. Below is a second, larger bubble from an earlier, similar event. To learn more about bubbles, see the article by Detlef Lohse on page 36. (Courtesy of D. Lohse and M. Sandtke.)

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Physics Today -- February 2003

Volume 56, Issue 2, pp. 9-76

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

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    ARTICLES

      The Asymmetry Between Matter and Antimatter
      Phase transitions and massive-neutrino decay are two processes that could lead to the preponderance of matter in the universe. Either way, the standard model for particle physics will have to be modified.
      Helen R. Quinn
      pp. 30-35
      Abstract    Full Text: [ HTML   PDF (852 kB)  ]   

      Bubble Puzzles
      Bubbles are familiar from daily life and occupy an important role in physics, chemistry, medicine, and technology. Nevertheless, their behavior is often surprising and unexpected—and, in many cases, still not understood.
      Detlef Lohse
      pp. 36-41
      Abstract    Full Text: [ HTML   PDF (756 kB)  ]   

      Mozart and Quantum Mechanics: An Appreciation of Victor Weisskopf
      Weisskopf had a rare and harmonious blend of sentiment and intellectual rigor. He liked to say that his favorite occupations were Mozart and quantum mechanics.
      Kurt Gottfried and J. David Jackson
      pp. 43-47
      Abstract    Full Text: [ HTML   PDF (475 kB)  ]   

      The Privilege of Being a Physicist
      Because of the central position of science in our civilization, physicists should be deeply concerned with the involvement of science in worldwide cultural and political affairs.
      Victor F. Weisskopf
      pp. 48-52
      Abstract    Full Text: [ HTML   PDF (4945 kB)  ]   

    PHYSICS UPDATE

    REFERENCE FRAME

    LETTERS

    SEARCH AND DISCOVERY

      Thermal Gradients Can Boost the Local Concentration of DNA in Solution
      Did thermal diffusion and convection initiate the creation of the first biomolecules 3.5 billion years ago?
      Charles Day
      pp. 16-17
      Abstract    Full Text: [ HTML   PDF (1043 kB)  ]   

      Infrared Adaptive Optics Reveals Stars Orbiting Within Light-Hours of the Milky Way's Center
      Orbital periods as short as 15 years clinch the case for a supermassive black hole at the Galaxy's heart.
      Bertram Schwarzschild
      pp. 19-21
      Abstract    Full Text: [ HTML   PDF (652 kB)  ]   

    ISSUES AND EVENTS

      Browne Leaves Los Alamos Directorship, Perplexed but Resigned
      As LANL director, John Browne had weathered Wen Ho Lee, wildfires, and lost computer disks, but he couldn't satisfy DOE concerns over procurement card abuses at the lab and it cost him his job.
      Jim Dawson
      pp. 22-23
      Abstract    Full Text: [ HTML   PDF (93 kB)  ]   

      Younger Speaks From the Frontline of Defense
      New weapons can be built in record time to defend against terrorism and weapons of mass destruction, says Stephen Younger, the military's top physicist.
      Paul Guinnessy
      pp. 23-25
      Abstract    Full Text: [ HTML   PDF (132 kB)  ]   

      Closer NNSA–Academic Links Needed to Boost Plasma Physics, NRC Says
      Jim Dawson
      pp. 26-27
      Abstract    Full Text: [ HTML   PDF (111 kB)  ]   

      Physics Education in the Netherlands Gets Good Marks, Advice
      Toni Feder
      p. 27
      Abstract    Full Text: [ HTML   PDF (99 kB)  ]   

    OPINION

    MEETINGS

      APS Heads to Austin, Texas, for Its Annual March Meeting

      pp. 56-59
      Abstract    Full Text: [ HTML   PDF (214 kB)  ]   

    BOOKS

      New Books

      pp. 67-69
      Abstract    Full Text: [ HTML   PDF (1723 kB)  ]   

    NEW PRODUCTS

    WE HEAR THAT

      Dresselhaus to Head AIP Board

      p. 71
      Abstract    Full Text: [ HTML   PDF (119 kB)  ]   

      APS Bestows Honors in a Wide Range of Fields

      pp. 71-72
      Abstract    Full Text: [ HTML   PDF (170 kB)  ]   

      Peterson is AAPT Vice President for 2003

      p. 72
      Abstract    Full Text: [ HTML   PDF (95 kB)  ]   

    OBITUARIES

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