Did you know?
Maximum length of a tennis racket (737 mm) is 2.5 x Length of an A4 page of paper (297 mm)
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Time since first humans in Americas (15,000 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.