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Follow this codebreaking and communications trail and go on a journey of exploration and discovery around the Science Museum this summer.

Stop 1: Mathematics: The Winton Gallery

© Christie, Manson and Woods Limited.

The first stop on our codebreaking and communications tour is the stunning Mathematics: The Winton Gallery on level 2 of the museum. In this bold gallery, you will find an unassuming book that is called ‘Polygraphic Papers’ and was a coder/decoder used in the late 18th Century. At this stop, you’ll also come across an Enigma machine dating back to 1923.

Stop 2: Information Age gallery

Head along to our Information Age gallery and explore the six themed zones – Cable, Broadcast, Exchange, Constellation, Web and Cell that celebrate more than 200 years of innovation in communication technologies.

Watch our curator’s guide to the gallery to discover the must-see objects and keep your eyes peeled for the cell phone game on gallery that challenges you to create the perfect telephone network.

Stop 3: Making the Modern World gallery

Head down to the ground floor and explore our Making the Modern World gallery. Here you will not only find a Supercomputer dating back to 1976 but a whole case full of technology that we still use in everyday life such as telephones and computers. Can you spot a certain popular gaming device that dates back to the nineties?

Stop 4: Top Secret: From Ciphers to Cyber Security 

Visitors looking at Fullerphone at Top Secret at the Science Museum © Jody Kingzett, Science Museum Group

If you head along to the Wellcome Wing you will come across the entrance to our new must-see free exhibition Top Secret: From Ciphers to Cyber Security.

From the trenches of the First World War to the latest in cyber security, Top Secret explores over a century’s worth of communications intelligence through hand-written documents, declassified files and previously unseen artefacts from the Science Museum Group’s and GCHQ’s historic collections. Book your free ticket now.

Stop 5: Top Secret puzzle zone

Visitors looking at the mirror wall at Top Secret at the Science Museum © Jody Kingzett, Science Museum Group

Whilst you’re in Top Secret don’t miss out on our hands-on interactive puzzle zone that challenges you to become a first-class codebreaker. After you’ve uncovered all of our top secrets check out the shop and bag yourself some codebreaking goodies. GCHQ hat anyone?

Where to eat 

A burger being prepared in the Deep Blue Diner at Science Museum

Finally stop off for some well-deserved lunch at The Diner and feast on an extensive menu of burgers, salads, and desserts whilst looking out over the Wellcome Wing.

When you get home

Continue the fun at home with our Transmission app, a puzzle game that challenges you to create increasingly complex networks and weave connections to communicate ever greater amounts of information. Download now for free from iTunes and Google Play.


Set your summer free at the Science Museum this July and August and explore our inspiring new season of free exhibitions, events and workshops with the whole family.

Free WiFi is available throughout the museum.