Question of the Week Podcast

Question of the Week episode

Mon, 16th Feb 2009

Musical Milk

Latte macchiato (c) Image by Aleph, http://commons.wikimedia.org

Why should milk 'change it's tune' when it's being steamed?  In this Question of the Week, we find out why the sound of steaming milk changes abruptly at around 60C (140F), and invite you to consider Sir David Attenborough's question for next week...

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