# #Mon Aug 09 11:41:20 CEST 2010 Text__Pbyq8KOaEd-WfYQ0GneCwQ_text=However, Isaac Newton argues that sound consists of waves. He compares the medium of air with a fluid, because the waves in a fluid behave like sound.
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 1
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 2
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 3.1
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 3.2
Text__Pbyq8KOaEd-WfYQ0GneCwQ_title=Sound Waves