Tag Archives: cambridge

November 8, 2013

How the kettle got its whistle

It may come as a surprise to some, but in all the years that people have been brewing tea, no-one has ever quite been able to work out why kettles whistle. In a basic sense, of course, the reasons are pretty clear, but the physical source of the noise and the specific reason for the whistling sound have both remained elusive.

The article includes a handy picture of what happens.