Imagine unearthing a piece of tech history that changed music forever.

Nearly half a century after its invention, the Oramics machine - one of the most significant devices in the history of electronic music - has taken centre stage at the Science Museum for the first time.

LJ Rich explains the invention of Daphne Oram, the first director of the BBC's Radiophonic Workshop and a central figure in the evolution of electronic music.

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