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Everyday science

Physics of salt water taffy, young Einstein on the BBC, auction opens for Newton’s trees

15 Sep 2023 Hamish Johnston
Salt water taffy
Tiny bubbles: different flavours of salt water taffy are shown on the left. On the right is a 3D model reconstructed by X-ray computed tomography that shows immiscible inclusions (oil droplets and air bubbles) in grape-flavoured taffy. These droplets and bubbles give rise to the elasticity of taffy. (Courtesy: Chan et al.)
Salt water taffy is a sweet treat that can be found at many US beach resorts. It is made by boiling

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