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.

Machines approach Turing Test threshold.

The Harwell computer will become the oldest functioning electronic stored program device in the world if Bletchley Park boffins can raise the funds to get it fixed

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

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...

The Commonwealth Scientific and Industrial Research Organisation (CSIRO) has put together a supercomputer that's based around a cluster of graphics processing units (GPUs)

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.

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

It's always a bonus to uncover a shortcut or program enhancement, and here we bring you 100 tips and tricks that we hope will make your computing experience quicker, simpler or more rewarding. Server Tips.

We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.

Movie and photo transfer capability, MP3 playback, bearable speakers… this is the best portable gaming machine ever

Narrowly missing out on an award, this machine deserves a special mention for its execution and incredible value for money rating.

Although falling slightly below par in our quality testing, the IntelliPro 4000GX managed to claw back points with a score 16 percent above the average for value, primarily due to its incredibly low initial purchase price.

We've taken seven top business PCs and run them through their paces to find out which should be your next upgrade.

The first time PC Authority got to take a look at a Twinhead notebook system (the Slimnote VX, Labs tested issue 20, p59) was back in July's test of budget notebook computers.