Did you know? Mass of a standard Gold Bar (`London Good Delivery`) (12.44 kg) is 5 thousand x Mass of a USA penny (1c piece) (2.5 g)
Time since the emergence of earliest humans (2.8 million y)
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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.