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DC generator action

A diagram showing a dc generator working, on which the frequency of ration is adjustable. The results are seen on an analogue meter, and an oscilloscope screen. Useful description of the commutator.

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Hits: 3595

Explore Big History

Interactively explore the timeline of the universe.

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Hits: 858



Inofrmation on infrared (IR), a broad range of frequencies, beginning at the top end of those frequencies used for communication and extending up the the low frequency (red) end of the visible ...

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Hits: 1788

Squishy Circuits

An activity to do at home to explore the world of circuits. Make two types of dough, one that carries electricity and one that doesn't, to create all sorts of circuits and explore how they work.

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Hits: 1415

Fowler's Physics

Various applets allowing results to be taken for demonstration purposes.

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Hits: 1654

Line Rider

A fun toy that lets you build a sledge run and then test it out. You'll need a good feel for the laws of motion to get results!

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Hits: 6277

Seeking the Cosmic Dawn

A look at the results from BICEP2 detector in the south pole which gives evidence for inflation happening at the start of the universe.

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Hits: 461

The End of My Latin

Kaufmann's experimental results on deflection of electrons in an electromagnetic field favoured Abraham's theory, not Einstein and Lorentz, but were eventually proved wrong.

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Hits: 2853


Resonant Frequency

This Hyperphysics page discusses resonance and resonant frequencies. Includes the example of a child's swing.

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Hits: 3539

Micro maniac

Ever wondered what it would look like to microwave soap, wax crayons or even fairy lights? This virtual microwave lets you see the results without any of the mess.

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Hits: 6562


Showing 1 - 10 of 115