This is the computer that helped secure the Allied victory in the Second World War and sent the Third Reich to the trash can of history. GCHQ, the UK’s intelligence agency, has unveiled never-before-seen images of the code-cracking computers that played a crucial role in the Second World War. They’ve been released to mark the 80th anniversary of the machine arriving at Bletchley Park, where it began to work its wonders. Advertisement Advertisement The Colossus computer was the world's first programmable, electronic, digital computer. It was created by the British during World War Two to decipher messages between Adolf Hitler,...