Skip to Navigation
subscribe to Plus
Search this site:
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.
The fact that a sizeable proportion of the financial workforce is made up of physicists is one of the...
The life and numbers of Fibonacci
The Fibonacci sequence – 0, 1, 1, 2, 3, 5, 8, 13, ... – is one of the most famous pieces of mathematics. We...
Mathematical man Friday
Who knew that Robinson Crusoe contained a lost chapter about maths? Help us find the hidden mathematical...
Struggling with chance
A 1 in 14 million chance to win the lottery, a 5% risk of cancer, a 50:50 chance of heads on a coin — we deal...
Information about information
What is information and how does it shape our reality?
Login to comment or download PDFs
Create new account
Request new password