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Caesar shift cipher
In the first of two articles,
takes a tour through the history of codes and the prospects for truly unbreakable quantum cryptography.
Safety in numbers
Today's digital world with its free flow of information, would not exist without cryptography to guarantee our privacy.
meets mathematician, author and broadcaster
to find out about the science of secrecy.
Maths in a minute: Continued fractions
Continued fractions reveal the good, the bad and the beautiful side of numbers.
Want less traffic? Build fewer roads!
A mathematical "paradox" explains why more roads don't necessarily mean fewer traffic jams.
Remarkable reversible numbers
Some neat number tricks using numbers read backwards.
School students help researchers fight diseases
A project involving secondary school students has delivered valuable data for epidemiologists.
London tube strike not all bad?
How "forced experimentation" can lead to economic benefits.
Tweets by @plusmathsorg
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