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Discover how the concepts of zero and infinity revolutionized mathematics. Zero and infinity. These seemingly opposite, obvious, and indispensable concepts are relatively recent human inventions.

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 ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...