geometry

The impossible becomes possible when you move into the third dimension.

A quick look at an ancient problem.

A brand-new pentagon to tile your wall with.

How calculating the height of a frustum gave a glimpse of the mathematical frontier.

How longitude presented one of the greatest problems in history.

What are global coordinates?

The division of plant cells is governed by their shape – just one example of how maths may reveal the fundamental laws underlying biology.

How to derive the famous quadratic formula from pictures, just like the Babylonians did.

Euclid's fourth axiom says that all right angles are equal. But isn't that obvious?

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