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Popular Science announces Third Annual 'Brilliant 10'

to image a synapse--one-billionth the size of a grain of rice--he witnessed mouse neurons sprouting new branches in response to unfamiliar tasks, and saw new synapses appear. Svoboda's work contradicted the mainstream view that neural circuitry is fixed after childhood and may lead to methods of repairing the memory-formation system in Alzheimer's patients and others.

  • James Walker, 40, Southwest Research Institute (San Antonio, TX) for his work in the field of impact physics. In Isaac Newton's theoretical universe, colliding objects retain their shape, like two billiard balls. In the real world, things don't always happen so neatly. Superfast bullets crumple on impact, and ceramic-based body armor dents or shatters in a variety of ways. Computing the forces involved is so complex that until 1995, when Walker and his partner published a paper describing how a bullet penetrates armor, nobody ever bothered to do the math. Today, Walker is creating models to demonstrate how ceramics shatter. He also worked with NASA in the aftermath of the Columbia disaster, and the agency is awaiting his findings before recertifying the shuttle for flight.


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    • Contact: Hallie Deaktor
    hallie.deaktor@time4.com
    212-779-5172
    Popular Science
    16-Sep-2004


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