Did you know?
Length of the Epsom Derby horse race (2.4 km) is 100 x Length of a tennis court (23.77 m)
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Mass of Empire State Building (331 million kg)
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.