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Details on how to correct the three most common faults found in school microscopes - dirty optical glass, wrong position of "stop" and overtight or loose tension.
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This guide outlines how to make and use filters in order to view specimens without the use of chemical stains
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Information on the hazards associated with trying to view the Sun, and how it can be done safely.
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This guidance is for devices used in the school laboratory that emit ultraviolet light. Ultraviolet light is classed as optical radiation ranging in wavelength from 100 to 400 nm, below (in wavele.. more
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This guide contains filter templates to be used in conjunction with GL416 Optical staining in microscopy.
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A diagrammatic guide on how to get started with microscopy, outlining the key actions with links to associated guidance.
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This document includes instructions on making a number of simple ray boards for pupils to use drawing pins and string to work out and display the paths followed by rays of light in different situation.. more
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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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Eye protection needs to be worn when there is a risk of injury to the eyes. Not all activities pose such risks, but for those that do, the type of eye protection needed depends on the nature and sever.. more
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This guide gives general advice to technicians/ teachers about using haemocytometers for precise cell counts, and CLEAPSS microquadrat for counting cells and studying microhabitats.
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Showing results 1 to 10 of 39
1 234