Did you know? Mass of the Titanic (52 million kg) is 2 x Mass of world silver production (2014) (26 million kg)
Mass of a Block IIR GPS Satellite in orbit (1,080 kg)
/fact/mass-of-a-block-iir-gps-satellite-in-orbit
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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.