Watch Inventions That Changed the World online: Episode 2 The Computer

In Victorian times 'computers' were people who added up rows of figures. Now they are mechanical wonders - without them we couldn't fly planes, drive cars or even run our dishwashers. We need them, but will they ever get smart enough to take over? Jeremy tells the remarkable story of the computer's evolution from man with pencil to android with sub-machine gun. It's an epic spanning three centuries, a tale of passion, espionage and suicide – and it's far from over. Jeremy discovers that the threat from computers lies not with Schwarzenegger's Terminator but from a much more devastating computer - Armageddon. The computer might yet change the world in a way that none of us are expecting.

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