Dark, clowdy and impertinent’ – Thomas Browne’s scientific language
Succulent, cretaceous, technology, parasitical, electricity . . . Scientific investigation in the seventeenth century generated new ideas, and scientists needed new words to express them. Experimentalists, observers, collectors, and technicians all c....
More details | Watch nowDeveloping new solar cells – cheaper, or more efficient?
Using solar cells to convert sunlight to electricity is an attractive way to reduce carbon emissions, but solar cells are still too expensive to be installed on the scale required. The next generation of solar cells aim to solve this problem using st....
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 nowElectricity, Magnetism and the Body
The controlled ways that electricity and magnetism can stimulate the body are demonstrated and how the resulting responses can aid diagnosis discussed.
More details | Watch nowFibre and Sunlight
Fine tuning the frequencies of light gave John Hall a Nobel Prize, and helped transform the fields of precision measurement and information transmission. Iris Choi and Andrei Ghicov are young scientists excited by the ways physics can change our worl....
More details | Watch nowFuel cells and their efficiency
How 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 nowIon Channels: Their Discovery, their Function and their Role in Diseases
The concept of bioelectricity emerged in the late 18th century, based on the experiments of Galvani and Volta. Sixty years ago, Hodgkin and Huxley showed that the nerve impulse is a result of permeability changes of the nerve membrane. This raised th....
More details | Watch nowMagnetism and Electricity
This presentation reviews how magnets work and their uses in the world today. It also explains how magnets and electricity are related and what future inventions could come from using magnets.
More details | Watch nowMeasuring the speed of pulses
A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.
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!
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