Did you know? Time since start of building of the Colosseum (1,950 y) is 2 x Time since the birth of Omar Khayyam (976 y)
Mass of a typical rugby ball (450 g)
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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.