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Time since the birth of Diophantus (1,810 y) is 25 x Time since the invention of the transistor (73 y)
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Mass of a regulation womens' shot (in the shot put athletics event) (4 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.