A Letter From The Publisher, Jul. 7, 1947

A LETTER FROM THE PUBLISHER

Dear Time-Reader

In the May 19 issue of TIME our Science Editor wrote a two-column story about a new ultrasonic gadget which could generate "silent" sounds powerful enough to set paper afire, audible sounds loud enough to paralyze strong men. It set up a chain reaction among our readers that is still snapping and crackling around these offices.

The story came to the Science Editor's attention via advance tear sheets of a new monthly technical magazine called Audio Engineering. Carefully checked with its author, Inventor S. (for Sidney) Young White, the...

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