Thought for the month

“The best time to plant a tree was 20 years ago. The second best time is now.” Origin uncertain, usually attributed as a Chinese Proverb.

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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