Silent Flight

A new device can help make air travel less exhausting. Quiet Zone headsets from Koss Corp. (800 872-5677) won't make the trip shorter or the seats more comfortable. But the headset generates sound waves that cancel out low-frequency noises, such as the drone of the engines and whoosh of air conditioning, to create an almost imperceptible hiss. There's little or no effect on music or voices-- you can use the $199 headset on a portable tape or CD player and the entertainment system on many jets. Or do what I did on a couple of flights: leave it unplugged and enjoy the peace and quiet.

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