Thought for the month

“There is nothing noble in being superior to some other man. The true nobility is in being superior to your previous self.” Probably W.L. Sheldon, US lecturer on ethics (1858 – 1907) rather than Ernest Hemingway.

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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