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Debate surrounds $25000 prize won by undergraduate for
universal Turing machine problem
CAPTCHA if they can
A test invented by the mathematician Alan Turing in 1950 is helping to stop spammers.
What computers can't do
looks at the life and work of wartime code-breaker Alan Turing. Find out what types of numbers we
count and why there are limits on what can be achieved with Turing machines.
What is general relativity?
To celebrate the centenary of the general theory of relativity we asked physicist David Tong to explain the...
Maths in a minute: Pretend primes
Fermat's little theorem and fake primes.
From Arsenal to RSA: An interview with Marcus du Sautoy
Marcus du Sautoy talks about football, cryptography, and numbers.
Rewriting the enormous theorem
Mathematicians are busy tidying up the largest proof in history.
Life's quantum crystal ball
Does the ability to predict the future define the fundamental difference between living and inanimate matter?
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