The following is an excerpt from Beyond Infinity: An Expedition to the Outer Limits of Mathematics, by Eugenia Cheng Mathematics can be thought of as many things: a language, a tool, a game. It might ...

The correct technical definition of infinity is that it is equal to some of its parts. For example, both the set of all real numbers and the set of all even numbers have infinite elements, yet it is ...

The other day, my four-year-old son asked me, point blank: —Dad, can you count to infinity? —No son, you can't, it would take forever. —But what's infinity minus three?" —It's infinity, too. —But how ...

While the concept of infinity may seem mysterious, mathematicians have developed processes to reason the strange properties of infinity. Mathematician Emily Riehl has been challenged to explain ...

Think of a Number presenter Johnny Ball explains the concept of infinity to four-year-old Claudia Haworth. Claudia's mother Ellie wrote into the BBC's numbers programme More or Less to ask the team to ...