Did you know? Mass of an old-style London bus (AEC Routemaster) (7,470 kg) is 5 x Mass of a large passenger car (1,500 kg) Tweet this comparison
Time since the birth of Newton (379 y)
/fact/time-since-the-birth-of-newton
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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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