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Bending sound, the weird path of sound in the ocean

Read about how sound travels in the ocean, the SoFAR channel and one experiment to test how far could you hear a sound underwater.

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Speed of light

Info on the speed of light, and how quickly it travels through water, air or diamond. Also contains a good overview of historical measurements of the speed of light.

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Hits: 3493

Play a Piano / Synthesizer / Oscilloscope

This virtual reality Java piano lets you play the piano and have a little fun while learning the relationship between the sounds, music theory, musical scales, and the underlying math and physics of ...

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Hits: 4578

How laser speed guns work

A good explanation of how laser (LIDAR) speed guns are used to measure a car's speed. There are links to related questions.

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Hits: 5178

How Hypersonic Planes Work

A brief description of how Hypersonic Planes like the X-43A reach 10 times the speed of sound (mach 10). rom HowStuffWorks.com.

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Hits: 2092

Introduction to sound

The basics of sound waves, including really useful animations of how sound travels

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Hits: 8894

How do cyclists reach super fast speeds?

It's a mixture of technology in the bikes and how quickly a rider can get through the air.

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Hits: 481

Speed of Light

A basic site dealing with the speed and wavelength of electromagnetic waves.

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Hits: 4229

Sound Propagation

Good clear introduction to sound concepts with diagrams, including why you sound good singing in the shower!

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Hits: 7826

How the Speed of Light was First Measured

Details of the experiment conducted to determine the speed of light including Ole Römer's observation with an eclipse of Io, Jupiter's moon.

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