Did you know? Age of oldest musical instrument (42,000 y) is 200 x Time since the birth of Ada Lovelace (209 y)
Mass of a motorbike (200 kg)
/fact/mass-of-a-motorbike
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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.