Steve Caplin heralds the development of robot rubbish collectors in space and driverless baggage handlers at Gatwick. After two weeks of being plugged into AI, a humanoid robot can speak, reason and manipulate objects: the entrepreneur behind it wants a billion of them to be made. Electric flying taxis could be in the UK by 2026. There's a remarkable tech auction in progress. GameScent adds smells to computer games. Maglev trains may be able to use existing rail tracks. And a robot can paint offshore wind turbines underwater.

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