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Discover the fascinating world of codebreaking, ciphers and secret communications.

From Alan Turing and his team of codebreakers at Bletchley Park and one of the most successful Soviet spy rings in Cold War Britain, to modern-day cyber-crime, this exhibition explores over a century's worth of communications intelligence. On display will be hand-written documents, declassified files and incredible artefacts from GCHQ and the Science Museum Group's historic collections.

Trace the evolution of the gadgets and devices used to conceal and decode crucial messages, or test your skills and challenge your friends to become codebreakers in an interactive puzzle zone.

Hear from GCHQ staff doing top secret work to defend against terror attacks and find out more about the challenges of maintaining digital security in the 21st century.

Super-sleuths of all ages can investigate the exhibition with the Top Secret Trail. See what amazing things you can do with the skills you use every day, from observation to teamwork.

Pick up a copy of the trail when you visit (make sure you bring your own pencil), download a copy to print out at home, or use the online version of the trail on your smartphone.

MuseumNorth WestManchester

Science and Industry Museum

Liverpool Road, Castlefield, Manchester, Greater Manchester, M3 4FP

03300 580058


Opening times

Wed - Sun 10am – 5pm

Closed Christmas Eve, Christmas Day, Boxing Day and New Year’s Day

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