Did you know? Height of the CN Tower in Toronto (553 m) is 4 x Height of the Great Pyramid of Giza (139 m)
Mass of the SpaceX Falcon Heavy rocket (1.421 kg)
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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.