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Electrical resistance

A good explanation of electrical resistance, why it exists and the variables that affect it including wire length, width and material.

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Hits: 2925

Explore Big History

Interactively explore the timeline of the universe.

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Hits: 491

Electrical resistance

Good revision site aimed at UK A Level standard covering resistance, ohm's law, conductivity etc

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Hits: 2984

Resistance

Definition and links to related information on electrical resistance.

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Hits: 1945

Resistance at the molecular level

A useful animation to demonstrate the free electron model of current flow, showing electrical resistance in the copper wire of a lightbulb.

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Hits: 3034

Fowler's Physics

Various applets allowing results to be taken for demonstration purposes.

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Hits: 1175

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: 4010

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: 25

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: 2132

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: 4084

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