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The reason why most plastics cant conduct electricity is because there are no free electrons available to produce a current. A typical polymer consists of a mass of long chain-like molecules (see The

Power up from any PC.

Impressive and free antivirus and antispyware package

Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

From flying cars to hoverboards, and AI to lasers, we delve into 10 technologies from a list of iconic films and find out just how close we are to making each a reality

Your wireless network is more powerful than you imagine. Use this guide to fully understand and utilise it.

An old PC is like putty in your hands. Tim Dean looks at how you can shape it into a new system with a few easy upgrades.

This week we look at some of the worst mobile devices and services of the last few decades.

The highs and lows of the world's biggest electronics show.

Macworld is still proceeding apace as we write this, albeit without Apple actually exhibiting. As the show was in town we thought, as a counterpoint to last week's list, we'd look at the worst systems to come out of Cupertino.

What happens when multiple-core processors are no longer sufficient for our demands? Stuart Andrews looks at the future of CPUs.

Industries keeping a sweet outlook during these sour times.

Is it possible to run all your electronic gadgets - even your laptop - on renewable energy sources? PC Authority's eco-warrior Matthew Sparkes gets on his bike.

We tour several of the leading tech research labs in the US to discover which 10 research projects could soon change the world

We've put AMD and Intel’s new processors to the test, and there's one clear winner.

Fancy a job with one of the biggest tech companies in the world? With the economic hangover starting to wear off, the technology giants are once again recruiting in earnest.

With so many factors to consider, choosing a motherboard can be a bewildering exercise. We put 11 models through their pace to find the ultimate in performance, flexibility and value

From webcasting to the DMCA to net neutrality - a list of top ten IT priorities for the new president.

What job involves acid baths, robots and space suits? Read about the fascinating world of computer chip fabrication, with PC Authority’s exclusive imagery and insights.

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’.