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[LUG] OT Re: Noisy phone lines

 

On Wednesday 08 March 2006 8:51 pm, John Botwright wrote:
> A good analogy is ripples on water. The water may be stationary, but the
> ripples are travelling.

?? The water is moving vertically. Only when it gets into shallow water does 
the wave cause lateral movement, and that's only due to gravity. Don't 
confuse waves with tides.

The "movement" of the ripple is an illusion arising from surface tension.

-- 

Neil Williams
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