Smash Hit

Test Bench: Car trackers

A host of GPS devices claim to be able to locate and follow a stolen vehicle. Ed Chipperfield road tests the best trackers

Bull’s-eye — another deep sleeper is stirred

Gadget of the week: Laser alarm clock — the only way to silence it is to fire a laser pistol at the centre of a target

Don't panic

Your tech problems solved by Nigel Powell

Pupils given iPods to ‘improve learning’

The Essa Academy in Bolton offers the devices among changes that include a 3-D theatre and the first zero-carbon classroom

Planet of the apps

Each week we search for the best apps for your smartphone. This week we take a look at GetJar

Ubuntu: the complete beginner's guide

Got a really slow PC that's just gathering dust? Give it a new life by ripping out Windows and replacing it with an open source OS

Orange avoids price war with its iPhone launch

Mobile operator vows to compete with O2 on network quality, despite customers' hope of a big saving in their pockets

The beer can that terrifies bad guys

The Recon Scout robot is on the wish list of every army and police force

Planet of the apps

Each week we search for the best apps for your smartphone. This week: space apps

Digital switchover becomes digital switch-off

Fewer adults are listening to fewer hours of digital radio than they were three months ago, according to Rajar

Counting calories at work with Philips DirectLife

US companies are giving their employees electronic devices to gauge how fit they are. Chris Ayres took one for a test drive

Sky launches on-demand service via Xbox Live

Planet of the apps

Each week we search for the best apps for your smartphone. This week: apps for TV

How good is Windows 7 and how do I upgrade?

After Vista disaster, Microsoft needs its latest system, which runs faster and demands less processor power, to be a hit

Gadget round up: Sennheiser PXC 310 BT headphones and Sonos ZonePlayer S5

Sonos ZonePlayer offers multi-room wireless audio while Sennheiser headphones provide wireless playback over Bluetooth

E-book readers: the latest chapter

The latest digital book devices offer advanced features such as colour and wi-fi

Nokia sparks legal showdown with Apple

Claim for patent infringement could culminate in the Finnish mobile phone giant taking a slice of every iPhone sold

Your chance to play as one of The Beatles

Latest computer game offers non-musicians and skilled performers alike the opportunity to emulate their Fab Four idols

Test Bench: Wireless headphones

Listen to music played on a Bluetooth mobile phone, and choose your pair for comfort, price, portability or sound quality

The ten best photography websites

With popularity of digital cameras growing, the internet can help us take better pictures, edit them and share them online

Internet piracy hits books sector

The introduction of ebooks has left millions of pounds’ worth of copyrighted text susceptible to illegal downloads

Wheeler dealer

With the car industry in turmoil, new cars are now so cheap that they are undercutting the prices of used ones

On test: MP3 players for gym and swim

Many digital players are not up to serious exercise. We test waterproof and wireless models fit for the job