Recently I heard about the U.S. Air Force’s new “doomsday machine” called HAARP, for High-frequency Active Auroral Research Program. From what I understand, the Air Force plans to experiment with blowing a hole in our ionosphere by directing intense high-frequency radio waves at it from somewhere in Alaska. The Air Force “experts” assured the interviewer that such a thing would have no negative impact on our global environment or weather systems. There was also some discussion of using this technology as a form of mind control by determining the proper frequency radio waves and directing them at whole armies to render them insensible.

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My understanding is that the ionosphere protects us from lethal cosmic forces, allowing the earth to support life as we know it. What evil people are toying with this delicate balance? Where can information about this project be found, and who can concerned citizens appeal to to stop this unnecessary experiment? –Donna Sexton, Northbridge, Massachusetts

Submarine communication. Send a pulsed radio beam into the “auroral electrojet,” the high-altitude stream of charged particles found in polar regions, and the electrojet will rebroadcast pulses of extremely low frequency (ELF) radio energy. In effect what you’ve done is turn part of the electrojet into a giant ELF antenna extending for hundreds of miles. ELF energy will penetrate seawater and thus can be used to communicate with submerged submarines.

Is there something you need to get straight? Cecil Adams can deliver the Straight Dope on any topic. Write Cecil Adams at the Chicago Reader, 11 E. Illinois, Chicago 60611, or E-mail him at cecil@chireader.com.