Did you know?
Mass of the (now retired) Concorde supersonic airliner (185,000 kg) is 25 x Mass of an old-style London bus (AEC Routemaster) (7,470 kg)
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Energy capacity of a Tesla Powerwall 2 battery (38.6 MJ)
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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