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Good clear introduction to sound concepts with diagrams, including why you sound good singing in the shower!
An astrophysicist answers the question of what would happen to the human body in vacuum of outer space?
A good site on how animals such as bats or dolphins see with sound (also known as echolocation ).
Diagrams showing how sound is reflected and standing waves.
An interesting page on how sound is refracted and examples of the effect this causes.
A good web page that highlights links for beginners about sound.
Microphones are transducers which detect sound signals and produce an electrical image of the sound
See sound waves travel through the air using a clever photographic trick called Schlieren photography.
This site gives an overview of the physics of sound through a series of links to relevant articles.
An interesting site, with good diagrams, explaining how sound can be diffracted and how this affects what you hear.
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