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Technology

Shock it to me

Can you become a better person by electrocuting yourself? Jonathan Beckman steels himself for a bolt from the blue

Crossed wires

The first transatlantic cable was seen as a folly and a hoax. But, says Tom Standage, it heralded the greatest communications revolution in history

Feel the noise

Tech companies used to focus on packing more tunes in less space. Now, as Jennifer Brown discovers, they are working out how to re-create the immediacy of live performance in your own home