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Michael J. Brett
University of Alberta
Department of Electrical and Computer Engineering
238 Civil/Electrical Engineering Building
Edmonton, Alberta T6G 2G7
Canada
Web site: http://www.ee.ualberta.ca/~brett/

Kevin Robbie
Queen’s University
Department of Physics
Kingston, Ontario K7L 3N6
Canada

Jimmy Xu
University of Toronto
Department of Electrical and Computer Engineering
Toronto M5S 3G4
Canada

From Science News, Vol. 156, No. 8, August 21, 1999, p. 127. Copyright © 1999, Science Service.