Lost Nazi cipher manuals for machine ‘more advanced than Enigma’ found after 80 years

The files include operating instructions for the SG-41, encryption rules and key tables used during the closing weeks of the war ...

Fifty years of sexing up tech: Apple’s epic hits – and misses

Remember the iPod? How about the Pippin? In the half-century since it launched its first PC, Apple has given us some amazing innovations. We round up its biggest triumphs and flops ...