The dynamics of a spinning chair
Longboard data analysis
Longboard physics
A few (surprising?) thoughts on how the wheels on a longboard or skateboard actually move.
More details | Watch nowThe Longboard – speedometer
Jonathan describes his adventures with a longboard and some different methods of making a speedometer for it.
More details | Watch nowWave Power
The UK coast is constantly being bombarded by sea waves. There is a massive amount of power available from these waves. Jonathan describes three different ways of generating electrical power from water waves.
More details | Watch nowHow does a transistor work?
A short video explaining how transistors work. At the heart of our high-tech society with radios, mobile phones, computers and space exploration are tiny electronic components called transistors. They have revolutionised electronics and in the pr....
More details | Watch nowSolar Cells
A short video on solar cells explaining with accompanying information sheet. How they work and how Jonathan uses solar power at home.
More details | Watch nowSimple Electrical Generator
With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine.
More details | Watch nowPaper Windmills
Jonathan makes some simple paper windmills/turbines and experiments with a simple generator to power house hold devices such as torches, calculators and even a radio.
More details | Watch nowMobile Phone
Jonathan shows us with a cheap and simple homemade demonstration how your mobile telephone generates radio waves in order for you to use it to communicate. As you will see you can use this method to explore many aspects of your mobile phone!
More details | Watch nowElectrical Generator
This short video shows one of the demonstrations for the Physics SEPNet exhibition - "Who will keep the lights on?" which travelled around the southern UK from February 2009. We describe and explain the electrical generator demonstration which Jona....
More details | Watch nowThe Fresnel Lens
Early lighthouses used coil and wood fires before moving on to gas and then electricity powered lights. Massive improvements took place by using a lens system around the light. The development of the Fresnel lens brought what we now regard as the....
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