An anonymous reader writes "A team at NIST (the National Institute of Standards and Technology) used berylium ions, lasers and electrodes to develop a quantum system that performed 160 randomly chosen routines. Other quantum systems to date have only been able to perform single, prescribed tasks. Other researchers say the system could be scaled up. 'The researchers ran each program 900 times. On average, the quantum computer operated accurately 79 percent of the time, the team reported in their paper.'"

Valve said yesterday that they're working on a new campaign for Left 4 Dead, and they plan to release it in September. It's called Crash Course, and while it will be free for owners of the PC version, Xbox 360 users will need to purchase it. The new campaign "bridges the gap between the end of the 'No Mercy' campaign and the beginning of 'Death Toll' in the original game, expanding the game universe with new locations, new dialogue from the original cast, and an explosive finale." Crash Course isn't as long as the other campaigns, a deliberate decision by Valve to enable players to finish a Versus-mode game in about 30 minutes. A preview of the new content on Destructoid notes, "Since we've got a shorter campaign, much more has been packed into a smaller space. Lucky players who know where to look can upgrade to second-tier weaponry almost straight away. However, they'll have their work cut out for them, because there's a chance to get swamped by the horde right from the very beginning."

Cliff Bleszinski, design director for Epic Games, said in an interview with Develop that while motion control schemes like Project Natal look interesting, Epic will probably be sticking with classic controllers "for the foreseeable future." He said, "Microsoft came down a few weeks before E3 and gave us a demo, and they're now shipping out the dev kits; I think it's great. When you start combining the motion-capture, the facial recognition, and the vocal recognition you can create some unique experiences. And of course more accessibility is always a good thing. When you build an interface like that though you need to [specifically] design a game for it. It can't just be tacked on."