Did you know?
Mass of a large watermelon (10 kg) is 4 thousand x Mass of a USA penny (1c piece) (2.5 g)
Tweet this comparison
Men's Olympic Triple Jump record (18.09 m)
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.