Image

OpenGL ES 2.0 Programming Guide 48

Martin Ecker writes "Mobile phones and other embedded devices are getting more and more powerful each year. The availability of dedicated hardware for 3D rendering is becoming increasingly ubiquitous, and the latest mobile phones come with 3D hardware acceleration that rivals the power of desktop graphics hardware. OpenGL ES 2.0 is the latest version of a cross-platform, low-level graphics API to utilize these new resources available in embedded devices. The OpenGL ES 2.0 Programming Guide published by Addison-Wesley Publishing aims to help the reader make use of the full power of OpenGL ES 2.0 to create interesting 3D applications." Keep reading for the rest of Martin's review.
Space

No Naked Black Holes 317

Science News reports on a paper to be published in Physical Review Letters in which an international team of researchers describes their computer simulation of the most violent collision imaginable: two black holes colliding head-on at nearly light-speed. Even in this extreme scenario, Roger Penrose's weak cosmic censorship hypothesis seems to hold — the resulting black hole (after the gravitational waves have died down) retains its event horizon. "Mathematically, 'naked' singularities, or those without event horizons, can exist, but physicists wouldn't know what to make of them. All known mechanisms for the formation of singularities also create an event horizon, and Penrose conjectured that there must be some physical principle — a 'cosmic censor' — that forbids singularity nakedness ..."
Encryption

Encrypted Images Vulnerable To New Attack 155

rifles only writes "A German techie has found a remarkably simple way to discern some of the content of encrypted volumes containing images. The encrypted images don't reveal themselves totally, but in many cases do let an attacker see the outline of a high-contrast image. The attack works regardless of the encryption algorithm used (the widely-used AES for instance), and affects all utilities that use single symmetric keys. More significant to police around the world struggling with criminal and terrorist use of encryption, the attack also breaks the ability of users to 'hide' separate encrypted volumes inside already encrypted volumes, whose existence can now for the first time be revealed." The discoverer of this attack works for a company making full-disk encryption software; their product, TurboCrypt, has already been enhanced to defeat the attack. Other on-the-fly encryption products will probably be similarly enhanced, as the discoverer asserts: "To our knowledge is the described method free of patents and the author can confirm that he hasn't applied for protection."
Programming

Getting Paid To Abandon an Open Source Project? 654

darkeye writes "I'm facing a difficult dilemma and looking for opinions. I've been contributing heavily to an open source project, making considerable changes to code organization and quality, but the work is unfinished at the moment. Now, a company is approaching me to continue my changes. They want to keep the improvements to themselves, which is possible since the project is published under the BSD license. That's fair, as they have all the rights to the work they pay for in full. However, they also want me to sign a non-competition clause, which would bar me from ever working on and publishing results for the original open source project itself, even if done separately, in my free time. How would you approach such a decision? On one side, they'd provide resources to work on an interesting project. On the other, it would make me an outcast in the project's community. Moreover, they would take ownership of not just what they paid for, but also my changes leading up to this moment, and I wouldn't be able to continue on my original codebase in an open source manner if I sign their contract."
Data Storage

Easy, Reliable Distributed Storage and Backup? 222

RichiH writes "Most of you are the free IT staff of friends and family, just as I am. One of my largest headaches is backing up their data. What I am looking for allows for off-site storage on multiple server machines running Linux, has Linux & Windows clients that Just Work and require zero everyday effort (although a large-ish effort to set them up is just fine), allows for granular access control, is versioned and will, ideally, allow me to grab data automagically (think photo pool for your family where your mother, sister, etc., share each other's photos). This is something I've been trying to find for years, but I've never seen anything even closely resembling what I want. With the Wall Street Journal handing out its Technology Innovation Award to Cleversafe recently, I was once again reminded of this particular itch which needs scratching. Before I deploy it, I want to ask the Slashdot community for its opinion on that piece of software, and on potential alternatives. How do you solve this problem?"
Software

How To Kill an Open Source Project With New Funding 187

mir42 writes "The OpenSource multimedia authorware project Sophie, formerly hosted by USC Los Angeles, may just have been killed by new funding. The original funding organization, Mellon Foundation, approved a grant to redevelop the four year project from scratch in Java. The grant was awarded to a Bulgarian company based on their proposal, which is simply an exact description, including the UI and the artwork, of the current Sophie. Being an OpenSource project, this isn't strictly illegal, but let's say, not nice and definitely not innovative, coming from a former sub-sub-contractor on the project. Some of the original, now laid-off developers started OpenSophie.org trying to salvage the project. As the current version is still somewhat buggy and slow, it might just be enough to alienate all potential users of Sophie to the point that nobody will even try to use the next version. Have others faced similar situations? How would you deal with a situation like this?"
Education

How Do I Talk To 4th Graders About IT? 531

Tsunayoshi writes "My son volunteered me to give a presentation on what I do for a living for career day at his elementary school. I need to come up with a roughly 20-minute presentation to be given to 4-5 different classrooms. I am a systems administrator, primarily Unix/Linux and enterprise NAS/SAN storage, working for an aerospace company. I was thinking something along the lines of explaining how some everyday things they experience (websites, telephone systems, etc.) all depend on servers, and those servers are maintained by systems administrators. I was also going to talk about what I do specifically, which is maintain the computer systems that allow the really smart rocket scientists to get things into space. Am I on the right track? Can anyone suggest some good (and cheap/easy to make) visual aids?"
Government

Can Static Electricity Generate Votes? 377

artgeeq writes "A recent local election in Washington, DC resulted in 1500 extra votes for a candidate. The board of elections is now claiming that static electricity caused the malfunction. Is this even remotely possible? If so, couldn't an election be invalidated pretty easily?"
Image

Ultrasound Machine Ages Wine 448

Inventor Casey Jones says his creation uses ultrasound technology to recreate the effects of decades of aging by colliding alcohol molecules inside the bottle. Mr. Jones said, "This machine can take your run-of-the-mill £3.99 bottle of plonk and turn it into a finest bottle of vintage tasting like it costs hundreds. It works on any alcohol that tastes better aged, even a bottle of paintstripper whisky can taste like an 8-year-aged single malt." The Ultrasonic Wine Ager, which looks like a Dr. Who ice bucket, takes 30 minutes to work and has already been given the thumbs up by an English winemaker. I know a certain special lady who is about to have the best bottle of Boone's Farm in the world.

New Nintendo DSi Announced 290

justme8800 writes "The DSi has a bigger screen, an SD card expansion, a 0.3 megapixel camera, is thinner (no GBA slot), and has improved audio. To be released in Japan on November 1st, everywhere else sometime in 2009."
Upgrades

How Big Should My Swap Partition Be? 900

For the last 10 years, I have been asking people more knowledgeable than I, "How big should my swap be?" and the answer has always been "Just set it to twice your RAM and forget about it." In the old days, it wasn't much to think about — 128 megs of RAM means 256 megs of swap. Now that I have 4 gigs of RAM in my laptop, I find myself wondering, "Is 8 gigs of swap really necessary?" How much swap does the average desktop user really need? Does the whole "twice your RAM" rule still apply? If so, for how much longer will it likely apply? Or will it always apply? Or have I been consistently misinformed over the last 10 years?

Microsoft

Microsoft To Release Cloud-Oriented Windows OS 209

CWmike writes "Within a month, Microsoft will unveil what CEO Steve Ballmer called 'Windows Cloud.' The operating system, which will likely have a different name, is intended for developers writing cloud-computing applications, said Ballmer, who spoke to an auditorium of IT managers at a Microsoft-sponsored conference in London. Ballmer was short on details, saying more information would spoil the announcement. Windows Cloud is a separate project from Windows 7, the operating system that Microsoft is developing to succeed Windows Vista."

Advanced Excel for Scientific Data Analysis 303

cgjherr writes "If the recent financial meltdown has left you wondering, 'When does exponential decay function stop?' then I have the book for you. Advanced Excel for Scientific Data Analysis is the kind of book that only comes along every twenty years. A tome so densely packed with scientific and mathematical formulas that it almost dares you to try and understand it all. A "For Dummies" book starts with a gentle introduction to the technology. This is more like a "for Mentats" book. It assumes that you know Excel very well. The first chapter alone will have you in awe as you see the author turn the lowly Excel into something that rivals Mathematica using VBA, brains, and a heaping helping of fortitude." Read on for the rest of Jack's review.

Virginia High Court Wrong About IP Addresses 174

Frequent Slashdot contributor Bennett Haselton writes "The Virginia Supreme Court has ruled that the state's anti-spam law, which prohibits the sending of bulk e-mail using falsified or forged headers, violates the First Amendment because it also applies to non-commercial political or religious speech. I agree that an anti-spam law should not outlaw anonymous non-commercial speech. But the decision contains statements about IP addresses, domain names, and anonymity that are rather basically wrong, and which may enable the state to win on appeal. The two basic errors are: concluding that anonymous speech on the Internet requires forged headers or other falsified information (and therefore that a ban on forged headers is an unconstitutional ban on anonymous speech), and assuming that use of forged headers actually does conceal the IP address that the message was sent from, which it does not." Click that magical little link below to read the rest of his story.

Slashdot Top Deals