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Considers how wind energy was used in the past to perform a range of tasks, from draining the land to grinding corn and sugar cane. With the invention of the steam engine during the Industrial Revolution the...
An introduction to electrostatics and current electricity. In six 10-minute segments: Conductors and Insulators (electrostatics); Charging and Discharging (laws govening electrical charges); Charging by...
Looks at how modelling was used to help plan the introduction of wind power to Shetland Islands electricity supply system. The modelling process is put in the context of the hard systems method.
Shows how Didcot Power Station in Berkshire generates electricity for the National Grid. Looks at the full production cycle from the delivery of coal to the disposal of the ash after combustion. Briefly...
Profiles the Yugoslav-American scientist Nikola Tesla, whose experiments with electricity and wireless foreshadowed the discoveries of Edison and Marconi. The programme seeks to explain how he should be...
Live electrical cables, whether overhead or buried underground, are a serious hazard. The film emphasises the rules which should be followed, and reminds those involved of the dangers of ignoring the rules...
Examines the UK National Grid, looking at its structure in terms of power generation, transmision lines and sinks of power, and at the problems of coping with fluctuating power demands. Eric Chefneux,...
After a brief historical introduction. part 1 discusses the units used in the measurement of voltage and current and the standards on which these are based; part 2 considers analogue instruments from pith...
A series of demonstrations showing the ways in which static charge can build up on powders, liquids and gases, and the ignition and explosion hazards associated with this. Ways of avoiding these dangers...
Discusses frequency response - both in terms of how it is measured and its underlying theoretical origin. Electronic systems can be analysed in terms of their response to sine waves. By changing the...
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