Article
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.

Article

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.

News story

Primes update: success again!

In issue No 1 we introduced GIMPS, the Great Internet Mersenne Prime Search. Well, on Sunday 24th August 1997 they did it again.

News story

Pushing back Pi

Numbers like Pi have no repeating pattern. So just how accurately do we know what it is?

News story

Cosmos launch

COSMOS, the world's first national cosmology supercomputer, has been launched.

Article

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.
Article
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.

Article

Agner Krarup Erlang (1878 - 1929)

The mathematics underlying today's complex telephone networks is still based on his work. Erlang was the first person to study the problem of telephone networks.
News story

Women in the history of mathematics

Mathematics is not only for men, says the author of the new booklet "Women in the History of Mathematics from Antiquity to the Nineteenth Century".