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This guide provides instructions for making a laser modulator and receiver to demonstrate the wireless transmission of information, for example transmission of sound over a fibre-optic link.
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Using the CLEAPSS Laser modulation and receiver
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Extracted, and refreshed from the Handbook, section 12. Includes very useful guidance on setting up and using oscilloscopes.
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This edition includes notes on a serious accident with plaster of Paris, disposing of electrical equipment and using smoking machines in science.
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Explains laser classification and hazards. Describes the  lasers that are permitted in school science and the range of relevant practical work. Also desribes common devices which use lasers and how th.. more
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This edition includes notes on, stress as an 'industrial disease' in education, the supply of some wrongly labelled chemicals, a device which can be fitted to temporarily hold open a door for the deli.. more
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Guidance on general laboratory equipment including low voltage supplies, magnifiers, meters, micrometer screw gauges, microscopes, pumps, thermometers, timers, tubing and volume measurement.
words matched: Modulation

Showing results 1 to 7 of 7