Did you know? Time since the birth of Hero of Alexandria (2,014 y) is 10 x Time since the first iron steamship crossed the English Channel (202 y)
Length of Tiananmen square in Beijing (880 m)
/fact/length-of-tiananmen-square-in-beijing
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If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.