Are we on the brink of an arms race over zombie ray guns? You might think so, based on the alarms being rung over Russia's potential to create mind-scrambling weapons. But the reality is that it'll be a long time before we have to worry about super-soldiers taking over our brains.

The Americans as well as the Russians have been looking into psychotronic weapons for more than 15 years. You can find ample references to the subject on the Internet, including a feature published by U.S. News and World Report in 1997 and a report written for a U.S. Army publication in 1998.

Such weapons purport to take advantage of the effect that pulsed microwaves can have on brain activity. Some researchers have reported an effect known as microwave hearing, in which a directed beam of radiation produces a sensation of buzzing, clicking or hissing in the head. "This technology in its crudest form could be used to distract individuals," according to a declassified Army review of non-lethal

weapons.

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