Blocking Nasty Radiation From Overhead Wires

Whether electromagnetic-field (EMF) radiation poses a health hazard remains a thorny question. EMF radiation is especially high near electric power lines, but it is produced even by televisions and hair dryers. Most research into links between EMF and illness has been inconclusive. But when studies in Sweden in 1992 turned up a new correlation between childhood leukemia and proximity to power lines, Harold J. Raveche, president of Stevens Institute of Technology in Hoboken, N.J., decided it was time for his researchers to get to work.

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