# Add new comment

A game you're almost certain to lose...

What are the challenges of communicating from the frontiers of mathematical research, and why should we be doing it?

Celebrate Pi Day with the stars of our podcast,

*Maths on the move*!Maths meets politics as early career mathematicians present their work at the Houses of Parliament.

Celebrate this year's International Women's Day with some of the articles and podcasts we have produced with women mathematicians over the last year!

But what if you did this:

Z = (1 - 1) + [1 - 1] + (1 - 1) + [1 - 1] + ...

The terms in round brackets sum to Z, as do the terms in square brackets. Thus, Z = Z + Z. In fact, Z = 3Z, 4Z and so on.