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Why aeroplane windows have tiny holes?

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Why aeroplane windows have tiny holes?
posted Apr 4, 2016 by Mary D'souza

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1 Answer

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Aeroplane window is made of two or three layer of the glass with air in between them and hole is there in the inner-layer of the glass which serves the following two purpose -

  1. Hole can help to through extra vapor through the hole which saves the window plane to fog out.
  2. When auroplane goes up the pressure goes down and hole help to maintain the pressure between the layer of glass by allowing the air to flow.
answer Apr 4, 2016 by Salil Agrawal