A mix of chemicals borrowed from plants with tiny tubes of carbon can spontaneously create tiny, self-repairing solar cells.

Sony has won a permanent ban in Australia of a hack for its PS3, but the code behind it has been released for free on the web.

Online marketplace Craigslist closes its US adult services listing following pressure from attorneys general and advocacy groups.

A potentially revolutionary circuit component, once a laboratory curiosity, is to be mass-produced for the first time.

The global disparity in access to broadband around the world and the cost of a connection is revealed by UN figures.

Samsung has become the latest manufacturer to enter into the tablet computer market with its Galaxy Tab.

Apple launches a music-based social network called Ping as part of its latest upgrade to the iTunes music software.

US net users are being asked for their opinions about what ISPs should be allowed to do with web traffic flowing through their networks.

Dell withdraws its bid for 3Par after rival Hewlett-Packard raises its offer for the data storage company to $2.1bn.

Sony has unveiled its own music and video download service in an announcement timed to coincide with an Apple media event.

Samsung's Galaxy Tab and Toshiba's Folio 100 are amongst the gadgets showcased at the world's largest consumer electronics fair in Berlin.

The Royal Mail launches the world's first "intelligent" stamp, the first to work with image recognition technology.

Bill Thompson on Microsoft's game-changing browser

The source code MacPaint is released but who can read it?

Nothing said online is really private, says Bill Thompson

How technology allows digital nomads to leave the office behind to work around the world

Virtual reality is allowing scientists to ask difficult questions about human behaviour.

Faster broadband networks could spell the end of the games console, experts say.

Parents blogging about their children have become a global force in marketing.

The portrayal of women in the game's industry is still lacklustre according to experts and insiders

How technology has ushered in a new era for aid work in disaster zones

Community labs are springing up for people who want to hack and test new ideas.

Photographers and film-makers capture their 3-D views of the corners of virtual worlds

Are women happy being known as geeks?

How the classic PC is helping train a new generation of students in the art of programming.

In our series about makers and hackers, we look at the world of amateur rocket-makers.

The release of an album on wax cylinder inspired us to try to make a phonograph to play it.

The Modified Toy Orchestra is a band made up of five musicians - and 48 tweaked toy instruments.

Rory Cellan-Jones tries out 3D video equipment and looks at the latest ultra thin and bright OLED TVs.

Ian Hardy discovers how top researchers and companies are using today's devices and data to make the world a more interesting place

Samsung's Galaxy Tab and Toshiba's Folio 100 are among rivals unveiled at the Berlin gadget exhibition.

More than three million doctors have downloaded a phone application to monitor heartbeats through a phone.

Toshiba’s UK business manager says its Foilo 100 tablet PC complements trends in media usage.

The Advertising Standards Authority (ASA) is extending its remit to cover the online realm.

The system of digitising actors to create characters in films like Avatar is being used to measure human behaviour in real life.

Turning 16 games consoles into a number-crunching supercomputer

How the tech savvy help victims cope in a crisis via the web

The PlayStation Move controller put on test

The internet pranksters who helped expose cat bin lady

Can technology and music happily coexist?