Did you know?
Length of the Kentucky Derby horse race (2 km) is 25 x Wingspan of an Airbus A380 (79.8 m)
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Time since earliest wheeled vehicles (4,000 y)
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.