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Bubble trouble. (Letters).


"Deadly Bubble Bath: Ultrasound fizz kills microbes under pressure" (SN: 12/7/02, p. 358) says that in cavitation cavitation

Formation of vapour bubbles within a liquid at low-pressure regions that occur in places where the liquid has been accelerated to high velocities, as in the operation of centrifugal pumps, water turbines, and marine propellers.
, "bubbles form when falling pressure permits dissolved gases to pop out of solution." A cavitation-vapor bubble is formed when the pressure drops below the vapor-liquid saturation pressure for the liquid. Dissolved gas bubbles will just give you a fizzy fizz  
intr.v. fizzed, fizz·ing, fizz·es
To make a hissing or bubbling sound; effervesce.

n.
1. A hissing or bubbling sound.

2. Effervescence.

3. An effervescent beverage.
 cola.

A.J. MCPHATE, BATON ROUGE Baton Rouge (băt`ən rzh) [Fr.,=red stick], city (1990 pop. 219,531), state capital and seat of East Baton Rouge parish, SE La. , LA.
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Article Details
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Author:McPhate, A.J.
Publication:Science News
Article Type:Letter to the Editor
Date:Feb 8, 2003
Words:65
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