David Fearon explains how to save energy and hassle by converting your old Windows XP PC to a virtual one that you can run on your Vista machine

Traditionally firewalls were the bastion of large, publicly accessible networks to keep hackers out. But in a world connected by the Internet, every machine hooked up to it becomes publicly accessible, and so it's vital that every machine is equipped to protect itself, and the network it may serve, from attack.

Tim Berners-Lee, the inventor of the web, has a vision for newer, smarter web. Tim Dean looks at how the future of the web might work.

Cutting edge technology is bringing powerful enterprise-grade solutions to the small and medium business sector. Read on for tips, analysis and tutorials about how you can take advantage.

Where's the #@$%? Device Manager in Windows Vista? Steve Polak exlains how to find all the system settings you know from Windows XP, in the sometimes confusing Vista interface.

It could save your business money and your data in case of disaster. Ian Murphy explains how to get started with virtualisation.

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.

These days, when I need to send someone a document, I use email. Just save it as a Word.

Davey Winder explores the moves that brought artificial intelligence out of the labs and into the black and white world of popular science.

Aarons studio is in a modern purpose-built block on the UCSD campus in La Jolla. Canvases are stacked ten- or 12-deep, others fill the racks at the back of the room. It could be any artists studio any

1918 Enigma The German Enigma is surely the best-known mechanical cipher machine. Invented in 1918, it was developed as a commercial and military encipherment system. Enigma

It could save your business money and your data in case of disaster.

Expand your application choices with USB flash drives and portable software.

PC Authority takes a stroll through 2,500 years of computing history. Next month, we look at the future. Whether you work directly in IT, or even just about anywhere in todays soci

Probably the best place to start with the notion of artificially intelligent machines, is to get some perspective on exactly what comprises intelligence, or other similar concepts like awareness or se

Raw computational power is being brought to bear on every stage of genome research from the moment the biologists tip their goo into a sequencing machine...

Not Apache, MySQL or Firefox, but lesser-known apps that serve a particular function very well – a Top Ten of open-source applications you’ve never heard of.

With the increasing size of operating systems, games and the broadband smorgasbord of music and movies, it's just a matter of time before that dreaded message box pops up to tell you just how little space you have left.

When a helpdesk customer is looking for the any ‘key’, it’s best to take control of their system remotely.

Run Windows apps on Linux by running Windows itself. Leigh Dyer shows you how.