Did you know? Mass of the biggest Redwood tree (1.2 million kg) is 250 x Mass of loaded MQ-9 Reaper military drone (4,760 kg)
Mass of world silver production (2014) (26 million kg)
/fact/mass-of-world-silver-production-2014
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.