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Risk Assessment for the exploding can, methane and air explosion.
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A mixture of hydrogen and air is prepared in a small plastic ‘fizzy drinks’ bottle and then ignited, so that the bottle travels, rocket-like, some distance.
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Using atmospheric pressure to push a boiled egg into a conical flask
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This document describes a demonstration for safely buring red phosporus in air, emulating the traditional burning white phosphorus in a bell jar experiment. The activity also provides a reasonbly accu.. more
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This edition includes notes on the theft of glassware from labs, calibrating air flow meters, and unsupported claims for plumbed-in eyewash stations in labs.
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Briefly explains the legislative basis for annual fume cupboard testing and the equipment needed to undertake the test. Also includes a regularly-updated list of contractors who will test fume cupboar.. more
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A set of instructions to construct and operate a model wind tunnel which is sufficiently large to explore the wind movement around a range of objects. The guide is accompanied by a set of files to ena.. more
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Straight forward instructions to make and use the equipment to demonstrate the effect of air rushing into a vacuum. A ping pong ball is accelerated out through the end of a tube with an impressive eff.. more
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This edition includes notes on fume cupboard testing, working safely with wood dusts, not using mains-powered open wire radiant heaters, dissecting butchers' bits, an introduction to microscale chemis.. more
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Describes the popular demonstration using Magdeburg hemispheres, and how it can be safely undertaken.
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Showing results 1 to 10 of 364
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