Did you know?
Mass of a full-grown Labrador dog (35 kg) is 4 thousand x Mass of a UK pound coin (2017) (8.75 g)
Tweet this comparison
Time since the birth of Pierre de Fermat (421 y)
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
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.