Did you know? GDP in Pakistan (2019) (253.2 billion USD p/a) is 20 x GDP in North Macedonia (2019) (12.7 billion USD p/a)
Energy to lift an 82 kg person 1m (780 J)
/fact/energy-to-lift-an-82-kg-person-1m
Link
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.