A demonstration of a water drop travelling uphill on a very hot ratcheted surface on its blanket of steam. This idea comes from a New Scientist article in 2006.
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Essentially cornstarch is a fluid whose viscosity is rate dependent. You can hit it hard with a spoon and it will strike it and bounce off, but can be spooned slowly and drip from a spoon. A real anti splash fluid.
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This is an unusual experiment which is very simple and is detailed here. Basically two aluminium electrodes in a sodium bicarbonate solution will glow and sparkle with sufficient applied voltage. One electrode here is aluminium foil and the other is an aluminium bar.
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Aerogel (frozen smoke) is an exotic solid that is ultra light weight with many remarkable properties.
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A CD zapped in a microwave also gives unusual fractal patterns.
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Coloured smoke looks like magic is being created. Just the thing for orange smoke rings.
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Huge smoke rings from a big metal drum, a rubberised sheet and a fog machine. They can travel 50 m in still air and are utterly fascinating to watch.
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My son with a blue laser burning the garage roof. Actually an alcohol flamethrower. Chris said flamethrowers were more fun than his English assignment.
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Got a bubble-maker for my birthday (I’m just a big kid really).
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A 5 second exposure of a sparkler attached to an electric drill.
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