BBC podcast looking at 70 years of computing history. Milestones highlighted include: the design of automatic calculating engines in the 1940s, the first office computer in the 1950s, the Electronic Random Number Indicator Equipment, the first efforts to link early computers, the coming of cheap microprocessors in the 1970s, the arrival of Microcomputers to British classrooms and then to most homes, early generation of programmers of video games, and the dotcom Bubble, the design and build of the ARM chip which can be found in most mobile devices. Episodes are presented by Dr Hannah Fry and are available indefinitely.