Category Archives: How are fields used to move electrical energy?

Photonicinduction – 10 second kettle

Photonicinduction and Polar again take control of the power supply but this time test an Electric Kettle to it’s limits and beyond, the speed and power is surprising.

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The strongest magnet in the world

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Physics Girl – Exploding soda cans with electromagnets in slow motion

Watch a soda can rip itself apart in a fiery explosion at 11,000fps with a Phantom high speed camera. Running a current through a coil, produces an electromagnet. Turn up the voltage in this experiment, and make that current strong … Continue reading

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Direct current electrical motor simulation

One of the many great learning objects from Walter Fendt (http://www.walter-fendt.de/html5/phen/index.html).

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Magnetic Field of a Straight Current-Carrying Wire

http://www.walter-fendt.de/html5/phen/magneticfieldwire_en.htm

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Tea Time Britain

http://www.bbc.co.uk/britainfromabove/stories/people/teatimebritain.shtml Power surges called the TV pickup are unique to Britain. The engineers at the National Grid control centre brace themselves each time Eastenders ends and 1.75 million kettles get switched on.

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Electric power quiz

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BBC Discovery Power Transmission

As power generation becomes increasingly mixed and demand increases, what does the grid of the future look like? http://www.bbc.co.uk/programmes/p0268cd5

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The Chart of Electromagnetic Radiations

The Lawrence Livermore labĀ posted this gorgeous old posterĀ of the electromagnetic spectrum onto its Flickr page. It’s an amazing artifact of scientific education from 1944, complete with images of retro radio equipment, hospital radium rays and one of the first commercially … Continue reading

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Transformer simulation

This animation shows the operation of a transformer, designed to step voltages up or down for more efficient & safer transfer of energy. The primary & secondary wires are wrapped around a solid iron core. Changing current in the primary … Continue reading

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