Issues
Search and Discovery
Physics Nobel Prize Goes to Gross, Politzer, and Wilczek for Their Discovery of Asymptotic Freedom
The strongest force in nature has the peculiar property that quarks become oblivious of one another when the distance between them gets small enough
Magnetoresistive Tunnel Junctions Look Ever More Promising for Magnetic Random Access Memory
Replacing an amorphous insulating barrier with a crystalline barrier has produced a threefold increase in the room-temperature magnetoresistance
Thermodynamics Explains the Symmetry of Spherical Viruses
The protective coats of certain viruses exhibit structures predetermined by mathematics and selected by physics
Reference Frame
Letters
Issues and Events
Debate Over Optics in Early Art Is Focus at OSA Gathering
The controversy over the use of optical aids by early Renaissance painters is cross-disciplinary and emotionally charged
Van Allen, at 90, Sifting Data, Writing Papers, and Enjoying Icon Status
Growing up on a small Iowa farm, James Van Allen enjoyed a “closely knit family which had a strong resemblance to that of earlier pioneer families.” It was that solid beginning that spurred him on to a life of scholarship
Articles
The Hydrogen Economy
If the fuel cell is to become the modern steam engine, basic research must provide breakthroughs in understanding, materials, and design to make a hydrogen-based energy system a vibrant and competitive force
Transforming the Electric Infrastructure
If the electric power grid is to meet 21st-century demands, society will need to invest in extensive modernization
The German Physical Society Under National Socialism
The history of the German Physical Society from 1933 to 1945 is not the same as a comprehensive history of physics under Adolf Hitler, but it does reflect important aspects of physicists’ work and life during the Third Reich