Did you know? Time since the first passenger steam railway service (199 y) is 2.5 x Time since introduction of the first mass-produced helicopter (Sikorsky R-4) (80 y)
Mass of the James Webb Space Telescope (6,500 kg)
/fact/mass-of-the-james-webb-space-telescope
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"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.