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Structure and properties

Structure and properties

Top tips for super sandcastles: explore the weird world of sand

07 Aug 2021
Taken from the August 2021 issue of Physics World.

Building sandcastles is one of the little pleasures of a holiday on the beach, but what do you really know about the science of these structures? Ian Randall grabs his bucket and spade to explore the weird world of sand science

World's tallest sandcastle
The world's tallest sandcastle measures 21.16 m high and was built in Blokhus, Denmark, on 2 July 2021. (Courtesy: Shutterstock/DVY)
A peerless edifice rises into a brilliant blue sky. Around a central, vaguely pyramidal tower, dozen

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Ian Randall is a science writer based in Cambridge, UK
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