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Physics Of The Singing Wine Glass Pockch

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The singing wine glass of the glass harp was invented by Richard Pockrich over 300 years ago. The sound of the singing wine glass is produced by the friction between the glass and your fingers. The frequency of the sound produced by a wine glass can be altered in various ways these include using different liquids, altering the temperature and changing the volume of liquids. Heavier fluids produce lower frequencies as they are denser and a does not move as freely as lighter liquids.

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