Google unveils its hotly anticipated laptop, running on its own operating system and optimised for the internet.

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Google unveils Chrome OS laptop

Rolls-Royce unveils its electric car at the Geneva motor show, describing it as “a market research project”.

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Electric Rolls to ‘change habits’

Technology giant Hewlett-Packard unveils its range of tablets powered by the WebOS software it bought in a deal with Palm last year.

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HP unveils Palm-powered tablets

Sony unveils its new handheld games console the NGP, successor to the PSP.

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Sony unveils PSP 2 games console

Edinburgh Airport says there is no need to consider a second runway for another 20 years as it unveils its development plans.

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Airport pulls back on expansion

Tate Britain unveils its Christmas tree for this year, which is undressed apart from a coiled bullwhip.

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Tate unveils naked Christmas tree