Did you know? Time since the birth of Aristotle (2,400 y) is 40 x Time since first human went into space (60 y) Tweet this comparison
Number of skyscrapers in Hong Kong (>150m tall) (518 )
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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.