So how did we lose this technology to then reinvent it 100 years later?
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This is a clever trick.
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The future of common day-to-day devices is about to change. Your mobile phone could slip into your wallet, a newsstand sells you a thin roll of paper that contains a full magazine or newspaper, you walk past a shop window and see big, thin flat screens displaying products being used in many different ways.
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Both front wheels turn in and the car turns on the spot.