Mathematical black holes

A black (and red) hole

15/04/2013

Thanks to a prize consisting on the proceeds of a football match, we learn about some numbers that attract the others, which can't escape from them.

Mathematical sequences which lead to mathematical black holes

Click here to see our story.

Close-packing

Let's give away some balls.

05/04/2013

Organizers of Brazil 2014 FIFA World Cup want to give away some official balls.

We face a close-packing problem in order to know if we can fill Maracana stadium with enough balls to satisfy the Championship organizers' wishes.

Click here to see the story.