Did you know?
Mass of a regulation basketball (624 g) is 250 x Mass of a USA penny (1c piece) (2.5 g)
Tweet this comparison
Pop. of Armenia (3.021million)
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.