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eclark

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Silver Egg Illusion


eclark

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The silver egg illusion is an experiment in which an egg is charged over a candle until it is completely covered in soot. Once the egg is completely covered, it should be dunked into a cup of water. The egg turns silver because the soot particles are hydrophobic so only the top part of the soot will be wet. The surface tension supports the water in between each grain of soot and a layer of air between the water and the soot forms. Because the surface of the water reflects light very well due to total internal reflection, the egg will end up appearing silver. 

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