Did you know? Mass of an emergency spare tyre for a small car (11.7 kg) is 25 x Mass of an iPad Air (470 g)
Public Debt of United States (2019) (27.09 trillion USD)
/fact/public-debt-of-united-states
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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.