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Everyday science

Everyday science

Physicists reveal the mechanics of tea scum

28 Sep 2024 Michael Banks
team scum and ice floes
Spot the difference: researchers have found that despite looking similar, sea ice and tea scum break apart through different physical mechanisms. (Courtesy: Saddier et al./APS 2024)
If you have ever brewed a cup of black tea with hard water you will be familiar with the oily film t

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Michael Banks is news editor of Physics World magazine
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