Did you know? Longest flight of a paper airplane (69.1 m) is 2.5 x Distance between bases of a baseball diamond (27.43 m) Tweet this comparison
Mass of the Great Pyramid of Giza (5.9 billion kg)
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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.
