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In the first of two articles,
takes a tour through the history of codes and the prospects for truly unbreakable quantum cryptography.
Decoding a war time diary
An account of how a prisoner of war's diary was recently decoded. Donald Hill wrote his diary in a numerical code, disguised as a set of mathematical tables, while in Hong Kong during and after the Japanese invasion of 1941.
Another way of voting
Should we let go of the "one person, one vote" principle?
Information about information
What is information and how does it shape our reality?
What is general relativity?
To celebrate the centenary of the general theory of relativity we asked physicist David Tong to explain the...
Kissing the curve – manifolds in many dimensions
Following on from our previous article about curvature of lines and surfaces, we now move up to curvature of...
How stupid systems can use clever ways of finding things.
Tweets by @plusmathsorg
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