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| Volume 94, Number 1 | January-February 2006 | |
| FEATURE ARTICLES | |
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High-speed Imaging of Shock Waves, Explosions and Gunshots New digital video technology, combined with some classic imaging techniques, reveals shock waves as never before Gary S. Settles |
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First Life * Billions of years ago, deep under the ocean, the pores and pockets in minerals that surrounded warm, alkaline springs catalyzed the beginning of life Michael Russell |
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A Bright Future for Subwavelength Light Sources * Generating tiny points of light for such things as storing data on optical disks is aided by a new theory involving evanescent waves Tineke Thio |
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Fallout from Nuclear Weapons Tests and Cancer Risks Exposures 50 years ago still have health implications today that will continue into the future Steven L. Simon, André Bouville, Charles E. Land |
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Ancient Lakes of the Sahara * The Sahara was once a savannah teeming with life. The story of how the climate changed, and how humans coped, is still being unraveled Kevin White, David J. Mattingly |
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| DEPARTMENTS | |
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Computing Science |
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Unwed Numbers The mathematics of Sudoku, a puzzle that boasts "No math required!" Brian Hayes |
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Macroscope |
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Where's the Real Bottleneck in Scientific Computing? Scientists would do well to pick up some tools widely used in the software industry Gregory V. Wilson |
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Sightings |
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Needlework Stitching together micrographs results in impressive images of carbon nanotubes Felice Frankel |
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Marginalia |
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Old Gas, New Gas Methane—made and taken apart by microbes, in the Earth, by people Roald Hoffmann |
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Engineering |
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Levees and Other Raised Ground * Engineering offers options for rebuilding New Orleans, but engineers won't choose which one Henry Petroski |
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Science Observer |
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Burn, Magnet, Burn The sudden flip of a crystal's magnetic field mimics a flame front Fenella Saunders |
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Protein World Atlas Pretty pictures mark proteins' province Christopher R. Brodie |
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In the News |
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Letters to the Editors |
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Intelligent Debate On With the Game |
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From the President |
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Sigma Xi Today |
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