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#Mon Aug 09 11:41:34 CEST 2010
Text__SAwiEKOaEd-WfYQ0GneCwQ_title=Interference of Sound Waves
Text__SAwiEKOaEd-WfYQ0GneCwQ_text=When you throw two stones into water, you can see the propagation of waves and interferences between them. One can note exactly the same phenomenon with sound.