Sound waves at work

From: Mechanical Engineering | Date: March 1, 1998| Author: Ashley, Steven | Copyright information

Researchers have devised a new technique to use sound

waves, opening the way for simple acoustic compressors, speedy chemical-process reactors, and clean electric-power generators.

By Steven Ashley, Associate Editor

EVER SINCE ELECTRICITY became a familiar part of everyday life, people have grown accustomed to the idea of getting the power for various mechanical tasks from unseen electromagnetic waves traveling through metal wires. Few, however, have witnessed the acou...

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