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"speed of sound"
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153 are Websites,
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An interesting site, with good diagrams, explaining how sound can be diffracted and how this affects what you hear.
This site gives an overview of the physics of sound through a series of links to relevant articles.
A few pages that have interactive elements to demonstrate what sound is.
Talks about the use of ultrasound, sound at frequencies above audible.
A good explanation of how sound waves can interfere and affect what you hear. Includes details of a demonstration with a tuning fork.
What is the speed of light and how was it measured?
An explanation of sound and how it relates to space.
A short article on inflation - the moment where the universe may have expanded faster than the speed of light.
When two sound waves of different frequency approach your ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - a phenomenon which is ...
A simple explanation of why sound travels long distances at night. There are some attractive graphics.
Showing 41 - 50 of 164