Did you know?
Distance between bases of a baseball diamond (27.43 m) is 2.5 x Penalty distance in (soccer) football (10.97 m)
Tweet this comparison
Age of oldest wooden wheel (5,150 y)
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.