Test Yourself

Which of these has the greatest mass? ...

Mass of a pickaxe ...

Mass of an emergency spare tyre for a small car ...

Mass of a standard wheel of Parmigiano-Reggiano cheese ...

Mass of R2-D2 droid in the Star Wars movies ...

Read all about it!

Is That a Big Number? - the book - is now available from all good booksellers.

"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.

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