Did you know?
Mass of a Block IIR GPS Satellite in orbit (1,080 kg) is 10 x Mass of Vespa Primavera 50 scooter (108 kg)
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Number of grains of sugar in a cup (220,000 )
"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.