Did you know? Mass of a brick (2.9 kg) is 2 x Mass of an average coconut (1.44 kg)
Height of a typical Hot Air Balloon (24 m)
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If this was a standard unit ...
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.