Battery capacity has proven to be a serious barrier to true mobile computing. Tim Dean looks at how the technology is evolving.

Even if the flexible, paper-thin screen is the undisputed killer app of display technology, it will never get out of the lab if its tied to present-day battery technology. Batteries have, its true, im

New 'layered-composite' material improves performance and stability.

What can a vendor-controlled comparison of notebook technology teach us? Plenty – but not in the way it was intended. Read on as we expose HP’s notebook ‘Reliability Challenge’.

Replacement programme designed to address overheating 'concerns'.

The ultimate portable media player.

Handheld PC

In what is an interesting first time foray into the crowded PDA market, Acer is hedging its bets by releasing both Palm- and Pocket PC-based PDAs. It's a curious gambit to be sure, and we're content to see which PDA branch blossoms while the other withers.

With solid-state media still expensive and offering limited capacity, MP3 players with hard disks seem like the perfect solution.

Back in February 2002 (PC Authority issue 51 page 42) we ran a comprehensive round up of the latest PDAs in the market, but its amazing what difference a few months make. Toshibas entry to the market, the e570, won the Quality Award, but was pipped at the post by the Palm m125, which won the value award with its extremely competitive price.

High-ranking executive to 'look after product quality'.

The first thing you notice about the Kyocera Samurai 2100DG is the shape of the camera.

$5.6bn in revenues by 2015..

The Caplio G3 is a 3.24-megapixel compact digital camera featuring a maximum optical resolution of 2,048 x 1,536, 3x zoom and auto and manual focus. It records images to 8MB of internal memory, SD or MMC media. It is capable of audio and video capture, video-out, and it can connect to a computer via USB.

How easy is it to replace a battery? Ty Pendlebury investigates when internal batteries can cost you a trip to a service centre.

The F20 is damned by the similarly-priced TomTom which is superior in every way.

Few people were expecting an iPod like this to arrive so soon after the iPod Shuffle.

As far as many people are concerned there's only one MP3 player. Love it or hate it, the iPod has entered the public consciousness and become an icon. So it's no surprise that everyone wants to jump on the bandwagon.

The world maps make the 910 good value, but other features seem gimmicky.

After all the media speculation, Apple has finally dipped its toe into the world of mobile video with the launch of the new iPod.