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#Mon Aug 09 11:41:34 CEST 2010
Text__RaQiwKOaEd-WfYQ0GneCwQ_text=The experiment with the emptied glass dome seems to show clearly that sound uses air as a medium. But that still doesn't answer what sound actually is. Is it a movement of particles or waves? In the first century B.C. Titus Lucretius Carus argues that sound consists of particles, which can permeate through other bodies. <p><br><a href\="http\://archimedes.mpiwg-berlin.mpg.de/cgi-bin/toc/toc.cgi?dir\=lucre_natur_079_la_1566;step\=thumb" target\="_blank">Titus Lucretius Carus, De rerum natura</a></p>
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