#### Diffraction and Fourier Transforms

#### Measuring the speed of sound

A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

More details | Watch now#### Measuring the speed of sound – experimental details

A short clip showing the measurement of the speed of sound over short distances.

More details | Watch now#### Resonance and Bridges

Abbie describes why bridges must be designed to counteract the effects of unwanted vibrations.

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Reflecting waves gives standing waves, which can be resonances. Standing waves on strings and in pipes and plates.

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Moving either source or receiver produces a frequency shift called the Doppler effect, which we measure and analyse.

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#### Travelling waves I

In an extended medium, inertia and a restoring force can lead to waves, which reflect at boundaries, either erect or inverted.

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The wave equation and its physical origin. Power in a wave and its relation to intensity in radiation.

More details | Watch now#### What is Color?

FSU undergrad, Daniel Stribling, investigates the intimate relationship between light and color. Daniel discusses the history, physics, and theory of light to engage young learners and encourage them to be excited about science.

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