The BBC Focus magazine team enter the 2008 Woolacombe International Sandcastle competition applying the laws of science to build the ultimate sand castle. This tutorial video will give you some tips and tricks on applying science to sandcastles.
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
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