Thought for the month

“It is a general popular error to suppose the loudest complainers for the public to be the most anxious for its welfare.” Edmund Burke, politician (1729 – 97).

Tuesday, 5 November 2013

Whistle while you work

Computational fluid dynamics was never my forte but I make a mean cup of tea. A team at the University of Cambridge have addressed an issue that thwarted acoustic scientists for years, namely how does a kettle whistle? Apparently the answer lies in pressure pulses that form steam vortices that produce sound. I wonder Oolong the research took?

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