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The first analytical determination of the speed of sound was given by Isaac Newton in Proposition 49 of Book II of the Principia.
This site gives details of a series of demonstrations on illustrating sound, giving details of the set-up used and the safety hazards
The loudspeaker involves electromechanical processes where the amplified audio signal must move a cone or other mechanical device to produce sound like the original sound wave.
A website from the record breaking skydive about the speed of sound
A great explainer site about how the speed of sound is calculated and how it changes with temperature and altitude.
An article from the Independent newspaper about a physicist who has recreated the sound of the big bang.
Describes the early attempts to break the sound barrier. Includes descriptions, information, including the latest attempts to beat speed records on land, water and in the air.
An animated cut-away picture of a loud speaker, with a synchronized oscilloscope screen representation of the sound. Sound included, plus a description of how the alternating current and magnetic ...
Introductory page linking to more information on various aspects of sound and hearing.
This site uses text graphics and sound to explain motion, sound and waves, light and energy, electricity and magnetism. It explains ideas using analogies, jokes and pretend conversations with famous ...
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