Thought for the month

“In the choice between changing one’s mind and proving there is no need to do so, most people get busy on the proof.” John K. Galbraith, Economist (1908 – 2006).

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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