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Land use in the Netherlands

Image analysis - a modern application of mathematics

New technology has provided us with some amazing images - satellite images, medical images, even images beamed back from Mars. Julian Stander tells us about the increasing role of statistics in interpreting them.

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turbulence

Designing loudspeakers

In his second article, David Henwood explains the role of mathematics in the design of Hi-Fi loudspeakers.

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Natural frequencies and music

In the first of two articles, David Henwood discusses the vibrations that can be harnessed by musical instrument makers.
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Editorial

  • The Dearing report
  • Network capacity problem
  • References
Article

Mathematical mysteries: Kepler's conjecture

Sir Walter Raleigh is perhaps best known for laying down his cloak in the mud for Queen Elizabeth I. But, he also started a mathematical quest which to this day remains unsolved.

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Line drawing of Helen of Troy

Dynamic programming: an introduction

The previous feature, "Mathematics, marriage and finding somewhere to eat" investigated the problem of finding the best potential partner from a fixed number of potential partners using a technique known as "optimal stopping". Inevitably, mathematicians and mathematical psychologists have constructed other models of the problem...

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Wedding photo

Decoding a war time diary

An account of how a prisoner of war's diary was recently decoded. Donald Hill wrote his diary in a numerical code, disguised as a set of mathematical tables, while in Hong Kong during and after the Japanese invasion of 1941.

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Mars Rover

Coding theory: the first 50 years

Space probes, like NASA's recent Pathfinder mission to Mars, have radio transmitters of only a few watts, but have to transmit pictures and scientific data across hundreds of millions of miles without the information being completely swamped by noise. Read about how coding theory helps.

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Are the polls right?

The British General Election (May 1997) is an example of how simple mathematical ideas help in understanding information that involves numbers.
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Image of the game layout

What mathematicians get up to

After 5,000 years, the game of Nine Men's Morris has succumbed to the power of modern computing, plus other recent mathematical discoveries in the world of games.