Did you know? Time since the end of the Triassic geologic period, mass extinction (201 million y) is 50 thousand x Time since earliest wheeled vehicles (4,000 y)
Mass of United States Postal service maximum parcel weight (31.8 kg)
/fact/mass-of-united-states-postal-service-maximum-parcel-weight
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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.