News story

Discovering new primes

You may think that searching for new prime numbers is a job for super-computers. However, on 13th November 1996, Frenchman Joel Armengaud discovered a new one using his humble PC.

News story

Mathematical problem solving with NRICH

If this issue's Puzzle page whets your appetite for solving mathematical puzzles online then you might like to look at a new internet journal, Interact, published by the NRICH Maths project.

Article

Understanding turbulence

Have you ever been in an aeroplane on a smooth flight when suddenly the plane bumps up and down for a short time as it goes through turbulent air? The study of turbulence is used to understand a range of phenomena from the simple squirting of a jet of water to the activity of the sun.