Did you know?
Mass of loaded MQ-9 Reaper military drone (4,760 kg) is 50 thousand x Mass of deck of Bicycle playing cards (96 g)
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Number of humans who have ever lived (108bn )
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.