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Vigile writes "Much has been said about ray tracing for gaming in recent weeks: luminaries like John Carmack, Cevat Yerli and NVIDIA's David Kirk have already placed their flags in the ground but what about developers that have actually worked on fully ray traced games? PC Perspective discusses the benefits and problems in art creation, programming and design on a ray traced game engine with a group of students working on two separate projects. These are not AAA-class titles but they do offer some great insights for anyone considering the ray tracing and rasterization debate."

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theodp writes "In yet another case of life imitating Dilbert, the State of Georgia has issued a press release touting how helpful Google products will be in getting Georgians to go outdoors. According to the release and a follow-up Yo-State-So-Fat Official Google Blog post, this includes AdWords, Analytics, Maps, Earth, Picasa, Gadgets and a branded YouTube channel for the GO Georgia initiative 'We're thrilled that Google has joined us in the effort to help everyone in the state lead a healthier life,' said Sally Winchester, a manager for Georgia State Parks & Historic Sites. 'At Google, we are committed to helping our employees lead healthy lives,' added Maureen Schumacher, a Google regional sales director. 'We are very excited that Google products will be used as part of this effort to improve the health and well-being of all Georgians.'"

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Slashdot contributor Bennett Haselton has written in with a tale of media rippers and corporate giants "In 2001 RealNetworks sued and blocked Streambox from distributing the Ripper, a program that let users rip and save RealAudio and RealVideo streams even if the stream contained a proprietary "do not copy" flag. Then one year ago this month, RealNetworks caused a stir by releasing a beta of RealPlayer 11 that similarly let the user record and save streams from sites like YouTube and Pandora. YouTube rippers and the like had existed before, but this was the first time a major company had included a stream ripper in its media player. And while RealPlayer 11 didn't explicitly ignore any copy protection flags, the release still provoked legal rumblings: in a Variety article by Scott Kirsner, an anonymous network exec said accused RealNetworks of 'aiding and abetting piracy' and said that they would 'more likely than not' take action against RealNetworks. But now that the feature has stayed in RealPlayer for a year, its real impact will be not on piracy but on the perceived legitimacy of ripping programs. The corporate behemoth, raked over the coals in the past for privacy violations and nuisance-ware, strikes a blow for free-culture hackers." The rest of Bennett's essay is available by following that magical link right below these words.

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Garabito writes "Hatch Nuclear Power Plant near Baxley, Georgia was forced into a 48-hour emergency shutdown when a computer on the plant's business network was rebooted after an engineer installed a software update. The Washington Post reports, 'The computer in question was used to monitor chemical and diagnostic data from one of the facility's primary control systems, and the software update was designed to synchronize data on both systems. According to a report filed with the Nuclear Regulatory Commission, when the updated computer rebooted, it reset the data on the control system, causing safety systems to errantly interpret the lack of data as a drop in water reservoirs that cool the plant's radioactive nuclear fuel rods. As a result, automated safety systems at the plant triggered a shutdown.' Personally, I don't think letting devices on a critical control system accept data values from the business network is a good idea."

Multiple readers have written to let us know that an experiment at the upcoming Hackers on Planet Earth (HOPE) conference will use RFID to track the movements of at least 1,500 registrants for the duration of the conference. Those movements will be transmitted onto screens which "show in real-time where people go, with whom they associate, for how long and how often." The system will also be used for games which involve manipulation of the available data. Meanwhile, researchers at the Georgia Institute of Technology have developed a method for testing large quantities of RFID tags, which may serve to greatly speed distribution.

Ponca City, We love you writes "Scientists believe that powerful and unstable sound waves, created by energy supplied by the combustion process, were the cause of rocket failures in several US and Russian rockets. They have also observed these mysterious oscillations in other propulsion and power-generating systems such as missiles and gas turbines. Now, researchers at the Georgia Institute of Technology have developed a liquid rocket engine simulator and imaging techniques to help demystify the cause of these explosive sound waves and bring scientists a little closer to being able to understand and prevent them. The team was able to clearly demonstrate that the phenomenon manifests itself in the form of spinning acoustic waves that gain destructive power as they rotate around the rocket's combustion chamber at a rate of 5,000 revolutions per second. Researchers developed a low-pressure combustor to simulate larger rocket engines then used a very-high-speed camera with fiber optic probes to observe the formation and behavior of excited spinning sound waves within the engine. 'This is a very troublesome phenomenon in rockets,' said Professor Ben Zinn. 'These spinning acoustic oscillations destroy engines without anyone fully understanding how these waves are formed. Visualizing this phenomenon brings us a step closer to understanding it.'"

The New York Times is running a story about a recently developed technique for directing the actions of household robots. Engineers from the Georgia Institute of Technology have created a robot that will fetch items for you by simply shining a laser on the desired object. Quoting: "'The pointer gives the robot just enough context and guidance to solve the really hard problem of figuring out which object among many lying around in a room to pick up,' Professor Sukhatme said. 'People in artificial intelligence have been working on this problem for a long time.' Just pointing to an object with natural gestures usually isn't enough to direct a robot, and even when robots navigate to the right spot, it's hard for them to grasp a particular object unless, for instance, they have a three-dimensional computer model of it, Professor Kemp said. Guided by the laser pointer, though, El-E can fetch objects as varied as towels, wallets or coffee mugs with no need for elaborate computer modeling."

coondoggie writes "Earlier this week researchers unveiled a system to identify and eradicate botnets in the wild. While currently only a prototype, Georgia Tech's BotSniffer would use network-based anomaly detection to identify botnet command and control channels in a LAN. The system wouldn't require any prior knowledge of signatures or server addresses. 'The researchers said their prototype, which was presented at the Internet Society's Network and Distributed System Security Symposium this week, is based on the fact that botnets engage in coordinated communication, propagation, and attack and fraudulent activities.'"

Roland Piquepaille writes "Researchers from the Georgia Institute of Technology have a bright idea — at least at first sight. They want to create a sustainable transportation system by using hydrogen-powered cars. They would like to create an infrastructure where people could use a liquid fuel for driving while the carbon emission in their vehicles is trapped for later processing at a fueling station. 'The carbon would then be shuttled back to a processing plant where it could be transformed into liquid fuel.' Where will all this liquid carbon be stored? The researchers don't know. They suggest that it could be stored in geological formations or under the oceans."

prostoalex writes "Georgia Tech and University of Oxford scientists claim bees can help up develop a better Internet traffic algorithms. By observing bees, the researchers noticed that bees pass back information on route quality. 'On a basic level, the honeybee's dilemma is a tale of two flower patches. If one patch is yielding better nectar than the other, how can the hive use its workforce most efficiently to retrieve the best supply at the moment? The solution, which earned Austrian zoologist Karl von Frisch a Nobel Prize, is a communication system called the waggle dance.' Any practical applications of that? Well, apparently ad servers, serving banners across a variety of servers, can report back on the time it took to generate the page."