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Article: Electromagnetism acts oddly in device.(Brief Article)
- Article from:
- Science News
- Article date:
- May 5, 2001
CopyrightCOPYRIGHT 2001 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Using little fiberglass boards and copper wires, a group of California physicists has created a structure that behaves as though it were from some strange, mirror world.
Signs of their creation's oddness showed up when David R. Smith and his colleagues at the University of California, San Diego shined a beam of microwaves through it. As expected, the beam bent, or refracted, as it exited the material. What's bizarre is that the beam bent at an angle opposite from what it would have exiting from any other known material. Smith, Richard A. Shelby, and Sheldon Schultz describe their invention and its effect on microwaves in the April 6 SCIENCE.
The ...
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