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Nvidia debuts chips for tiny PCs

Nvidia has joined a growing band of hardware makers producing low-power, portable laptops. Better known for graphics cards, Nvidia has shown off two Tegra processors designed for tiny laptops or netbooks.

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IBM aims to cool chips with water

A network of tiny pipes of water could be used to cool next-generation PC chips, researchers at IBM have said.

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UK university lectures on iTunes

University College London is to be the first European university to distribute free lecture material through iTunes.

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Towns triumph in broadband tests

London's broadband users can go online at average speeds nearly twice those in Wales and Northern Ireland, a survey for BBC News suggests

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Google accused over privacy law

Privacy groups are accusing Google of violating California law in its reluctance to provide a direct link to its privacy policy on its homepage.

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Call to prosecute BT for ad trial

BT should face prosecution for its "illegal" trials of a controversial ad-serving technology, a leading computer security researcher has said.

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Florida's hurricane simulator

A team of scientists and graduate students at the University of Florida is working on a unique project to help protect the homes and lives of millions of people.The team has developed the world's most powerful portable hurricane simulator, a giant machine capable of reproducing winds in excess of 120mph (193kph) and recreating rain.

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Web users 'fear media intrusion'

Almost 80% of social networking site users would be more careful about the details they put online if they knew the media might use them, a poll says.

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Online shopping defies slowdown

Online retailing is continuing to boom in the UK despite pessimism about the economy, according to a survey. The amount of money spent by consumers shopping online increased by 35% to £14.7bn last year, retail analysts Verdict Research said.

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Adobe launches Acrobat community

Adobe has made a move into online document sharing with the launch of the Acrobat.com community site. It allows people to create, store and share documents online, and hold web conferences to discuss changes.

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Intel seeks wireless unification

The two competing 4G wireless systems, Wimax and Long Term Evolution (LTE), should be united, according to Intel.

Intel is the biggest supporter of Wimax, which offers high-speed, long-range wireless connections designed for the mobile net.

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Mobile phones expose human habits

The whereabouts of more than 100,000 mobile phone users have been tracked in an attempt to build a comprehensive picture of human movements.

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Millions must be on vetting list

More than one in four adults in England will have to register with child protection authorities next year, under an expanded safeguarding scheme.

The government says 11.3 million people will be on a database, with registration costing £64 per person.

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Google's experimental Gmail toys

In a first, Google is opening up its testing process by calling on tens of millions of Gmail users to put new features of the service through their paces. Gmail Labs has launched 13 settings for users to play around with and tell engineers directly what they think of them.

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Voluntary code for internet speed

The way broadband speeds are advertised is to be regulated under a voluntary code published by Ofcom.

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BT Vision charges for BBC content

BT has started to charge users of its television service who want to watch on-demand BBC content.

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Computer speeds up college work

A new £2.9m high performance computer with the combined power of more than 2,000 conventional lap-tops has been switched on at Cardiff University. The supercomputer is the third fastest at any UK university and is expected to feature in the top 50 in the world.

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Speculation mounts for new iPhone

Apple fans are waiting with bated breath - and a seemingly unending supply of rumours - for the iPhone Version 2.

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