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Cellphones

FCC To Investigate Cell Phone Unlocking Ban 65

Edgewood_Dirk writes "In response to the recent White House petition, the FCC will be investigating the viability and possible harm of the ban on cell-phone unlocking. Gregory Ferenstein met with FCC Chairman Julius Genachowski at a TechCrunch CrunchGov event Wednesday, where the Chairman said the 'ban raises competition concerns; it raises innovation concerns.'" This line from the end of the article fails to inspire confidence: "Genachowski isn’t sure what authority he has, but if he finds any, given the tone of the conversation, it’s likely he will exert his influence to reverse the decision."

Comment Re:You can always get to IPV6 on the out (Score 3, Informative) 164

I would definitely try Teredo first, though it does depend on the NAT design used by your ISP (you want remote IPv4 hosts to repeatedly see the same source address after repeated connections -- if the reported address changes, Teredo won't work for you).

The protocol doesn't require explicit ISP support, though NAT design can certainly break it and ISPs can filter it if they choose. When it works, the net effect is that any two hosts running Teredo clients can connect to each other via their client's IPv6 addresses, even if an IPv4 network sits between them.

Under the hood, it tunnels on top of NAT'd UDP over IPv4, using a 3rd party public IPv4 server to mediate the connection start-up (needed for NAT busting) -- but all of that is transparently handled by the Teredo client, so using it seems exactly the same as connecting to any other IPv6 host. There's a small privacy aspect present since that other server sees your source and destination trying to start a connection, but all the real traffic is direct, peer-to-peer.

Since the effect is to allow connections despite a NAT, you should make sure you are suitably firewalled, patched up, hardened, etc. Some teredo clients may also require you to explicitly enable in-bound connections on the interface.

X

After 2 Years of Development, LTSP 5.2 Is Out 79

The Linux Terminal Server Project has for years been simplifying the task of time-sharing a Linux system by means of X terminals (including repurposed low-end PCs). Now, stgraber writes "After almost two years or work and 994 commits later made by only 14 contributors, the LTSP team is proud to announce that the Linux Terminal Server Project released LTSP 5.2 on Wednesday the 17th of February. As the LTSP team wanted this release to be some kind of a reference point in LTSP's history, LDM (LTSP Display Manager) 2.1 and LTSPfs 0.6 were released on the same day. Packages for LTSP 5.2, LDM 2.1 and LTSPfs 0.6 are already in Ubuntu Lucid and a backport for Karmic is available. For other distributions, packages should be available very soon. And the upstream code is, as always, available on Launchpad."
Java

After Learning Java Syntax, What Next? 293

Niris writes "I'm currently taking a course called Advanced Java Programming, which is using the text book Absolute Java, 4th edition, by Walter Savitch. As I work at night as a security guard in the middle of nowhere, I've had enough time to read through the entire course part of the book, finish all eleven chapter quizzes, and do all of the assignments within a month, so all that's left is a group assignment that won't be ready until late April. I'm trying to figure out what else to read that's Java related aside from the usual 'This is how to create a tree. This is recursion. This is how to implement an interface and make an anonymous object,' and wanted to see what Slashdotters have to suggest. So far I'm looking at reading Beginning Algorithms, by Simon Harris and James Ross."
Science

Using Infrared Cameras To Find Tastiness of Beef 108

JoshuaInNippon writes "Might we one day be able to use our cell phone cameras to pick out the best piece of meat on display at the market? Some Japanese researchers seem to hope so. A team of scientists is using infrared camera technology to try and determine the tastiest slices of high-grade Japanese beef. The researchers believe that the levels of Oleic acid found within the beef strongly affect the beef's tenderness, smell, and overall taste. The infrared camera can be tuned to pick out the Oleic acid levels through a whole slab, a process that would be impossible to do with the human eye. While the accuracy is still relatively low — a taste test this month resulted in only 60% of participants preferring beef that was believed to have had a higher level of Oleic acid — the researchers hope to fine tune the process for market testing by next year."
Education

Computer Games and Traditional CS Courses 173

drroman22 writes "Schools are working to put real-world relevance into computer science education by integrating video game development into traditional CS courses. Quoting: 'Many CS educators recognized and took advantage of younger generations' familiarity and interests for computer video games and integrate related contents into their introductory programming courses. Because these are the first courses students encounter, they build excitement and enthusiasm for our discipline. ... Much of this work reported resounding successes with drastically increased enrollments and student successes. Based on these results, it is well recognized that integrating computer gaming into CS1 and CS2 (CS1/2) courses, the first programming courses students encounter, is a promising strategy for recruiting and retaining potential students." While a focus on games may help stir interest, it seems as though game development studios are as yet unimpressed by most game-related college courses. To those who have taken such courses or considered hiring those who have: what has your experience been?

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