Monday, October 19, 2009

Flash Facts: Ultrasonic Waves

"Sound waves of tremendously high frequency (ultrasonic waves) have the power to destroy germs."

Illustration: "1) Germ cell before subjection to ultrasonics. 2) Air bubbles form inside cell as ultrasonics are applied. 3) Air bubbles burst, destroying germ."

Issue: The Flash #203 (February 1971)

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