• Question: how do people whistle?

    Asked by cheese2000 to David, Jonathan, Pete, Sam on 8 Jul 2012.
    • Photo: Pete Etchells

      Pete Etchells answered on 8 Jul 2012:

      Due to the shape that your lips make when you whistle, the air that you blow out of your mouth vibrates at a very high frequency. This vibration creates the sound, which is enhanced and controlled by the chamber that you form inside your mouth – making a whistle!

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