Article

The power of groups

Groups are some of the most fundamental objects in maths. Take a system of interacting objects and strip it to the bone to see what makes it tick, and very often you're faced with a group. Colva Roney-Dougal takes us into their abstract world and puzzles over a game of Solitaire.
Article
Jigsaw puzzle

Gödel and the limits of logic

When Kurt Gödel published his incompleteness theorem in 1931, the mathematical community was stunned: using maths he had proved that there are limits to what maths can prove. This put an end to the hope that all of maths could one day be unified in one elegant theory and had very real implications for computer science. John W Dawson describes Gödel's brilliant work and troubled life.

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earth shown from space

The right spin: how to fly a broken space craft

On the 25th of May 1997 a dramatic collision tore a hole into the space station Mir and sent it hurtling through space. As NASA astronaut Michael Foale tells Plus, the fate of Mir and its crew hinged on a classical set of equations.

Article

Graphical Methods II: The return of the slime

In last issue's Graphical methods I Phil Wilson used maths to predict the outcome of a cold war in slug world. In this self-contained article he looks at slug world after the disaster: with only a few survivors and all infra-structure destroyed, which species will take root and how will they develop? Graphs can tell it all.
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Editorial

  • Plus new writers award - Maths is the language of the universe, so what have you got to say?
  • Reader's corner - 6174 and other mysterious numbers.
  • World Cup maths - How Plus can help you with your football.
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Carleson

Abel to iPod

The 2006 Abel prize celebrates the mathematician who helped make mp3s possible.
Article

Symmetry rules

Everyone knows what symmetry is, and the ability to spot it seems to be hard-wired into our brains. Mario Livio explains how not only shapes, but also laws of nature can be symmetrical, and how this aids our understanding of the universe.
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Mysterious number 6174

6174 is a very mysterious number. Yutaka Nishiyama explains why, and how beautiful mathematical oddities can inspire us to discover new mathematics.
Article

Graphical methods I: Slug wars

To arm or to disarm? This is the question in Phil Wilson's article, which explores the maths behind a cold war in slug world.
Article

Editorial

  • What motivates mathematics?
  • Win glory and more as a Plus author!