Did you know? Mass of a violin (400 g) is 50 x Mass of a British gold sovereign coin (7.99 g)
Volume of water in an Olympic Swimming pool at minimum depth of 2m (2,500 m^3)
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Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.