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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.
Information about information
What is information and how does it shape our reality?
London tube strike not all bad?
How "forced experimentation" can lead to economic benefits.
Remarkable reversible numbers
Some neat number tricks using numbers read backwards.
Maths in a minute: Continued fractions
Continued fractions reveal the good, the bad and the beautiful side of numbers.
School students help researchers fight diseases
A project involving secondary school students has delivered valuable data for epidemiologists.
Tweets by @plusmathsorg
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