Did you know? Highest altitude reached by a single kite (4.88 km) is 2 thousand x Height of a football goal (2.44 m)
Time since the birth of Hero of Alexandria (2,014 y)
/fact/time-since-the-birth-of-hero-of-alexandria
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.