An anonymous reader writes "Purdue researchers say they have made a major advance in the design of the internal combustion engine, one that could seriously boost fuel efficiency and cut emissions. A key portion involves building intake and exhaust valves that are no longer driven by mechanisms connected to the pistons, a departure from the way car engines have worked since they were commercialized more than a century ago. 'The concept, known as variable valve actuation, would enable significant improvements in conventional gasoline and diesel engines used in cars and trucks and for applications such as generators, he said. The technique also enables the introduction of an advanced method called homogeneous charge compression ignition, or HCCI, which would allow the United States to drastically reduce its dependence on foreign oil and the production of harmful exhaust emissions. The homogeneous charge compression ignition technique would make it possible to improve the efficiency of gasoline engines by 15 percent to 20 percent, making them as efficient as diesel engines while nearly eliminating smog-generating nitrogen oxides, Shaver said.'"

NewYorkCountryLawyer writes "Distinguished Harvard University Law School Professor Charles Nesson has called upon Harvard University to fight back against the RIAA and stand up for its students, writing 'Seeking to outsource its enforcement costs, the RIAA asks universities to point fingers at their students, to filter their Internet access, and to pass along notices of claimed copyright infringement. But these responses distort the University's educational mission. ...[W]e should be assisting our students both by explaining the law and by resisting the subpoenas that the RIAA serves upon us. We should be deploying our clinical legal student training programs to defend our targeted students.'"

Jonas Wisser writes "The BBC is carrying the story that AACS has promised to take action against those who have posted the AACS crack online. Michael Ayers, chairperson of AACS, noted that the cracked key has now been revoked, and went on to say, 'Some people clearly think it's a First Amendment issue. There is no intent from us to interfere with people's right to discuss copy protection. We respect free speech.' The AACS website tells consumers how they can 'continue to enjoy content protected by AACS' by 'refreshing the encryption keys associated with their HD DVD and Blu-ray software players.'"

Both the Virtual Console and Xbox Live Arcade have some interesting offerings this week, and Microsoft has released word of a lot of new things to come via their community service. The day before yesterday saw the release of Punch-Out!!, Virtua Fighter 2, and Bonk's Revenge for the Wii's download service. No Mike Tyson in this version of Punch-Out!!, but it's still (as Kohler puts it) one of the 'best videogames of all time.' On the Xbox side, today sees the release of a 'double header' of games: Gyruss and 3D Ultra MiniGolf Adventures . Gyruss is a Konami arcade port, while Minigolf includes a course editor to distract you from the simple gameplay. As far as new XBLA content goes: The Daily show is already available on the service, along with The Colbert Report, Carcossonne will join Settlers of Catan and (apparently) Talisman in boardgame-to-Xbox ports, and Microsoft is looking for pitches for a television show to be shown exclusively on Xbox live. If you win the TV contest, you get to make it for them.