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Coding with linear codes (or how to avoid being eaten by crocodiles)

Can you encode a message so that errors in transmission are automatically corrected?

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A mathematical mystery begins...
Crack codes, solve a mystery and even win prizes in the University of Southampton's National Cipher Challenge.
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Career interview: IT project manager
Bharat Dodia tells Plus how his love of maths has taken him from turbulent times to building better IT systems for Ford.
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Interview: Maths student
In this issue we talk to maths student Emily Dixon about her university studies, and where maths might take her in the future.
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Codes, computers and trees
Underlying our vast global telecommunications networks are codes: formal schemes for representing information in machine-readable and transmissible formats. Kona Macphee examines the prefix property, one of the important features of a good code.
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Coding theory: the first 50 years
Space probes, like NASA's recent Pathfinder mission to Mars, have radio transmitters of only a few watts, but have to transmit pictures and scientific data across hundreds of millions of miles without the information being completely swamped by noise. Read about how coding theory helps.
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