The National Museum of Computing has unveiled renovations to keep out the rain and smartening up H block as celebrations take place to mark the 80th anniversary of the Colossus II computer.

Bletchley Park in Buckinghamshire was Britain's main decryption establishment during World War Two. Ciphers and codes of several Axis countries were decrypted including, most importantly, those ...

Comprising 2,500 valves and rebuilt from a series of black and white photos and some circuit diagrams.The original wartime Colossus was designed and built by the Post Office engineer, Tommy ...