How Do I Disable IPv6 In Windows Vista?

There should be an image here!IPv6 is enabled by default in Windows Vista. However, if you don’t use, it you can easily disable it. By doing so, you can conserve CPU and memory resources as well as improve network performance. On the other hand, if IPv6 is disabled, you can’t use Windows Meeting Space or any other applications that use the Windows peer-to-peer networking platform.

To disable IPV6 in Windows Vista:

  1. Click Start, right click Network and click Properties.
  2. Within the Network and Sharing Center, click Manage network connections.
  3. Right click your network connection and click Properties.
  4. Remove the check beside Internet Protocol Version 6 (TCP/IPv6).
  5. Click OK.

[Photo above by Dimitri N / CC BY-ND 2.0]

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How Do I Disable IPv6 In Windows Vista?

There should be an image here!IPv6 is enabled by default in Windows Vista. However, if you don’t use, it you can easily disable it. By doing so, you can conserve CPU and memory resources as well as improve network performance. On the other hand, if IPv6 is disabled, you can’t use Windows Meeting Space or any other applications that use the Windows peer-to-peer networking platform.

To disable IPV6 in Windows Vista:

  1. Click Start, right click Network and click Properties.
  2. Within the Network and Sharing Center, click Manage network connections.
  3. Right click your network connection and click Properties.
  4. Remove the check beside Internet Protocol Version 6 (TCP/IPv6).
  5. Click OK.

[Photo above by Dimitri N / CC BY-ND 2.0]

NASA-Engineered Collision Spills New Moon Secrets

There should be an image here!Scientists led by Brown University are offering the first detailed explanation of the crater formed when a NASA rocket slammed into the Moon last fall and information about the composition of the lunar soil at the poles that never has been sampled. The findings are published in a set of papers in Science stemming from the successful NASA mission, called LCROSS for Lunar CRater Observing and Sensing Satellite.

Mission control at NASA Ames sent the emptied upper stage of a rocket crashing into the Cabeus crater near the Moon’s south pole last October. A second spacecraft followed to analyze the ejected debris for signs of water and other constituents of the super-chilled lunar landscape.

In one of the papers, Brown planetary geologist Peter Schultz and graduate student Brendan Hermalyn, along with NASA scientists, write that the cloud kicked up by the rocket’s impact showed the Moon’s soil and subsurface is more complex than believed: Not only did the lunar regolith — the soil — contain water, it also harbored other compounds, such as hydroxyl, carbon monoxide, carbon dioxide, ammonia, free sodium, and, in a surprise, silver.

Combined, the assortment of volatiles — the chemical elements weakly attached to regolith grains — gives scientists clues where they came from and how they got to the polar craters, many of which haven’t seen sunlight for billions of years and are among the coldest spots in the solar system.

Schultz, lead author on the Science paper detailing the impact crater and the ejecta cloud, thinks many of the volatiles originated with the billions of years-long fusillade of comets, asteroids and meteoroids that have pummeled the Moon. He thinks an assortment of elements and compounds, deposited in the regolith all over the Moon, could have been quickly liberated by later small impacts or could have been heated by the sun, supplying them with energy to escape and move around until they reached the poles, where they became trapped beneath shadows of the frigid craters.

“This place looks like it’s a treasure chest of elements, of compounds that have been released all over the Moon,” Schultz said, “and they’ve been put in this bucket in the permanent shadows.”

Schultz believes the variety of volatiles found in Cabeus crater’s soil implies a kind of tug of war between what is being accumulated and what is being lost to the tenuous lunar atmosphere.

“There’s a balance between delivery and removal,” explained Schultz, who has been on the Brown faculty since 1984 and has been studying the Moon since the 1960s. “This suggests the delivery is winning. We’re collecting material, not simply getting rid of it.”

Astronauts sent as part of NASA’s Apollo missions found trace amounts of silver, along with gold, on the near-side (Earth-facing side) of the Moon. The discovery of silver at Cabeus crater suggests that silver atoms throughout the moon migrated to the poles. Nevertheless, the concentration detected from Cabeus “doesn’t mean we can go mining for it,” Schultz said.

The crater formed by the rocket’s impact within Cabeus produced a hole 70 to 100 feet in diameter and tossed up six-foot deep lunar material. The plume of debris kicked up by the impact reached more than a half-mile above the floor of Cabeus, high enough to rise into sunlight, where its properties could be measured for almost four minutes by a variety of spectroscopic instruments. The amount of ejecta measured was almost two tons, the scientists report. The scientists also noted there was a slight delay, lasting roughly one-third of a second, in the flash generated after the collision. This indicated to them that the surface struck may be different than the loose, almost crunchy surface trod by the Apollo astronauts.

“If it had been simply lunar dust, then it would have heated up immediately and brightened immediately,” Schultz said. “But this didn’t happen.”

The scientists also noticed a one-half-mile, near-vertical column of ejecta still returning to the surface. Even better, the LCROSS spacecraft was able to observe the plume as it followed on the heels of the crashing rocket. Schultz and Hermalyn had observed such a plume when conducting crater-impact experiments using hollow spheres (that mimicked the rocket that crashed into Cabeus) at the NASA Ames Vertical Gun Range in California before the LCROSS impact.

“This was not your ordinary impact,” Hermalyn said. “So in order to understand what we were going to see (with LCROSS) and maybe what effects that would have on the results, we had to do all these different experiments.”

Even though the mission has been judged a success, Schultz said it posed at least as many questions as it answered.

“There’s this archive of billions of years (in the Moon’s permanently shadowed craters),” Schultz said. “There could be clues there to our Earth’s history, our solar system, our galaxy. And it’s all just sitting there, this hidden history, just begging us to go back.”

[Photo above by NASA Goddard Photo and Video / CC BY-ND 2.0]

Richard Lewis @ Brown University

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Conserving Resources: Producing Circuit Boards With Plasma

There should be an image here!Flexible circuits can be found in many devices where space and weight considerations are dominant in the design of electronics: in cars, in cameras and video equipment, in mini-computers for athletes or in inkjet printers. And the market continues to grow: according to the business consultancy Frost & Sullivan, sales in this area will grow to more than $16 billion by the year 2014.

At K 2010, the trade fair for plastics in Düsseldorf, Germany, scientists from the IST in Braunschweig will unveil a new reel-to-reel technology for the production of flexible circuits and biosensors; the new technology is known as “P3T,” which is shorthand for “Plasma Printing and Packaging Technology.” The benefits: P3T involves considerably fewer process steps than existing processes, and it conserves raw materials. Unlike previous methods, the researchers do not start with a polymer film metalized over its entire surface from which excess metal is then removed to create the circuits. Instead, to produce flexible circuit boards, they apply circuits made of copper to the film that serves as substrate. In the case of biosensors, palladium is used. They use plasma at atmospheric pressure and galvanization instead of vacuum-pressure and laser-based methods to achieve inexpensive and resource-efficient production.

Dr. Michael Thomas, director of the research group at IST, explains: “During production of circuits for an RFID antenna, you often have to etch away between 50 and 80 percent of the copper used. This results in considerable amounts of copper scrap that either has to be disposed or reprocessed using relatively elaborate methods.” The IST approach is different: there, scientists use the additive process to apply the structures they want directly to the substrate sheeting.

The first two process steps are plasma printing at atmospheric pressure and metallization using well-known galvanization methods. Plasma printing uses the kind of deeply engraved roller familiar from the area of conventional rotogravure printing. During the printing process, microplasms are electrically generated in the engraved recesses of the roller; these microplasms chemically alter the surface of the plastic substrate where the circuits are to be applied later in the process.

The process gas from which the plasma is created is usually a mixture of nitrogenous gases. As IST researcher Thomas emphasizes: “The chemical changes we need begin to form on the surface of the film; these changes ensure that the plastic can be wetted with water in these precise areas and will be metallizable using suitable plating baths. This means considerable savings of energy and material,” Thomas adds. And this is a decisive competitive factor: the prices for raw materials — for copper and palladium, for example — have risen by around 150 percent in the past three years.

In the joint P3T project sponsored by the German Federal Ministry of Education and Research (BMBF) P3T, researchers are currently working very hard to improve the individual processes involved in the manufacture of flexible circuit boards and biosensors. They are closely scrutinizing all of the P3T production steps — from plasma printing to assembly and coordinating all of the processes with one another in a production line.

Dr. Michael Thomas @ Fraunhofer-Gesellschaft

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Groundwater Depletion Rate Accelerating Worldwide

There should be an image here!In recent decades, the rate at which humans worldwide are pumping dry the vast underground stores of water that billions depend on has more than doubled, say scientists who have conducted an unusual, global assessment of groundwater use.

These fast-shrinking subterranean reservoirs are essential to daily life and agriculture in many regions, while also sustaining streams, wetlands, and ecosystems and resisting land subsidence and salt water intrusion into fresh water supplies. Today, people are drawing so much water from below that they are adding enough of it to the oceans (mainly by evaporation, then precipitation) to account for about 25 percent of the annual sea level rise across the planet, the researchers find.

Soaring global groundwater depletion bodes a potential disaster for an increasingly globalized agricultural system, says Marc Bierkens of Utrecht University in Utrecht, the Netherlands, and leader of the new study.

“If you let the population grow by extending the irrigated areas using groundwater that is not being recharged, then you will run into a wall at a certain point in time, and you will have hunger and social unrest to go with it,” Bierkens warns. “That is something that you can see coming for miles.”

He and his colleagues will publish their new findings in an upcoming issue of Geophysical Research Letters, a journal of the American Geophysical Union.

In the new study, which compares estimates of groundwater added by rain and other sources to the amounts being removed for agriculture and other uses, the team taps a database of global groundwater information including maps of groundwater regions and water demand. The researchers also use models to estimate the rates at which groundwater is both added to aquifers and withdrawn. For instance, to determine groundwater recharging rates, they simulate a groundwater layer beneath two soil layers, exposed at the top to rainfall, evaporation, and other effects, and use 44 years worth of precipitation, temperature, and evaporation data (1958–2001) to drive the model.

Applying these techniques worldwide to regions ranging from arid areas to those with the wetness of grasslands, the team finds that the rate at which global groundwater stocks are shrinking has more than doubled between 1960 and 2000, increasing the amount lost from 126 to 283 cubic kilometers (30 to 68 cubic miles) of water per year. Because the total amount of groundwater in the world is unknown, it’s hard to say how fast the global supply would vanish at this rate. But, if water was siphoned as rapidly from the Great Lakes, they would go bone-dry in around 80 years.

Groundwater represents about 30 percent of the available fresh water on the planet, with surface water accounting for only one percent. The rest of the potable, agriculture friendly supply is locked up in glaciers or the polar ice caps. This means that any reduction in the availability of groundwater supplies could have profound effects for a growing human population.

The new assessment shows the highest rates of depletion in some of the world’s major agricultural centers, including northwest India, northeastern China, northeast Pakistan, California’s central valley, and the midwestern United States.

“The rate of depletion increased almost linearly from the 1960s to the early 1990s,” says Bierkens. “But then you see a sharp increase which is related to the increase of upcoming economies and population numbers; mainly in India and China.”

As groundwater is increasingly withdrawn, the remaining water “will eventually be at a level so low that a regular farmer with his technology cannot reach it anymore,” says Bierkens. He adds that some nations will be able to use expensive technologies to get fresh water for food production through alternative means like desalinization plants or artificial groundwater recharge, but many won’t.

Most water extracted from underground stocks ends up in the ocean, the researchers note. The team estimates the contribution of groundwater depletion to sea level rise to be 0.8 millimeters per year, which is about a quarter of the current total rate of sea level rise of 3.1 millimeters per year. That’s about as much sea-level rise as caused by the melting of glaciers and icecaps outside of Greenland and Antarctica, and it exceeds or falls into the high end of previous estimates of groundwater depletion’s contribution to sea level rise, the researchers add.

[Photo above by Vladimer Shioshvili / CC BY-ND 2.0]

Maria-José Viñas @ American Geophysical Union

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Microsoft Discountinues Encarta

Call it a victim of the Internet and such sites as Wikipedia, but Microsoft has announced that the end of Encarta will come on October 31, 2009. This just happens to be my birthday so if anyone wants to know what to buy me, make sure it is not Encarta. LOL I am surprised that Encarta held on for so long. The traditional encyclopedia is no longer needed with the advent of the Internet and the amount of information online.

In a statement from Microsoft they detail the closing of the Encarta web site as well:

Why are these Encarta Web sites and software products being discontinued?
Encarta has been a popular product around the world for many years. However, the category of traditional encyclopedias and reference material has changed. People today seek and consume information in considerably different ways than in years past. As part of Microsoft’s goal to deliver the most effective and engaging resources for today’s consumer, it has made the decision to exit the Encarta business.
Microsoft’s vision is that everyone around the world needs to have access to quality education, and we believe that we can use what we’ve learned and assets we’ve accrued with offerings like Encarta to develop future technology solutions. In doing so, we feel strongly that we are making the right investments that will help make our vision a reality.
With Internet access becoming more readily available, the decision to shut down Encarta is a no brainer. Others have already exited the encyclopedia business.
Comments welcome.

Windows 7 – More Stuff To Turn Off

It is now confirmed by Microsoft that we consumers will be allowed more control on what we can turn off in Windows 7. According to this Microsoft blog article, complete with screen shot, there will be more user control built into this latest operating system. Take at look at what the RC version will offer:

Windows Features control panel

So what do you think? Will this be enough to make you buy this latest operating system?

Comments welcome.

Source.

Google Chrome – What Does This Tell You?

Over at the Chromium Developers Documentation web site, there is some interesting information for you to read which Google has provided. In this one statement, we could be seeing what Google may be offering us in the future.

The tab is our equivalent of a desktop application’s title bar; the frame containing the tabs is a convenient mechanism for managing groups of those applications. In future, there may be other tab types that do not host the normal browser toolbar.

Have you noticed how plain Chrome is? How there are few menu’s compared to other browsers? How Chrome almost appears invisible when using it compared to other browsers?

Though some consider Chrome as ‘just another browser’, the basics of Chrome is that Google is designing it to run web applications. Applications that already will incorporate their own shortcuts, menus and status bars.

Instead of concentrating on more features for the browser, Chrome offers simplicity instead which makes the Google browser less  of a resource hog plus makes it faster bringing up sites. Advanced users may not appreciate the simplicity of Chrome.

Comments welcome.

Source.

Symantec Finally Admits Its Software Slows Down A PC

I think you better sit down before I tell you that Symantec has finally realized that its software slows down a PC. No duh! For any of us in the computer field, we know that taking Symantec software product off of a PC breathes new life into the machine. The system jumps back to life and is actually speedy once again. Yet over the years, Symantec has made lame excuses, promised better software, less resource hungry, but yet has not delivered on its promises.

But are things about to change? Well, over at the Wall Street Journal is a piece in which Rowan Trollope, head of Symantec’s consumer business, says Symantec is about to do just that. He states:

Mr. Trollope has an ambitious goal: to build “zero-impact” security software that doesn’t slow PCs down at all. “I’ve staked my career and reputation on this,” he says.

Similar promises — if not as extreme — have been made before, yet security software remains annoying. And Mr. Trollope admits progress toward his goal is “not as far along as I’d like.” Still, it’s a step. On average, it takes more than five minutes just to install security software on a PC. Symantec’s goal is to shrink that to under one minute. At the moment, it’s hovering around two minutes.

The new version of Norton 360 will be available to testers this summer and to the general public in the fall.

The one statement that sticks out is this one:

“I’ve staked my career and reputation on this”

I bet he has since the Internet is full of horror stories concerning Symantec products. Trim the fat and they will come. Maybe. :-)

If Symantec makes a lean, mean fighting software product, would you use it?

Comments welcome.

Source.

Symantec's Video Game Site

After posting an article about eBay allowing hackers to auction off their wares this morning [article is here], I now learned that Symantec is posting an online game for IT professionals to play killing viruses ala Doom. I had to stop and think. Did I get out of the wrong side of the bed this morning? Or is it I am just plain tired of all of the corporate shenanigans that go on that have nothing to do with security and protecting our identities?

I am sure that somewhere, someplace, most likely some type of government agency or retailer, has every piece of identity information about all of us. One would hope that the IT folks who are in charge of the computer systems that house this information are taking every precaution to try and protect this sensitive data. I recognize also that the game Symantec is going to post for play on their web site most likely is a way to generate sales leads. One would think that these resources could be better spent in training folks on how to secure our data.

I don’t know about you, but I don’t want IT folks playing a first person shooter game when they should be watching the network for intrusions. Not only can the game be played solo, but it appears that team play will also be available. Gee, that’s great. Now we can have corporations competing against each other to shoot down the bugs online. How about shooting down the real bugs that are attacking your servers as I write this?

What is more important. Protecting our identities from theft or playing online games? Is it just me or I am just not feeling the love here? What do you think?

Comments welcome.

Game play starts on September 27, 2007.

Symantce game site here.

[tags]symantec, online game, sales, resources, [/tags]

Ghost Wall from Ghost Security – Review

I have been looking for a Free firewall to try on my systems and stumbled upon one from Ghost Security called GhostWall. According to the software manufactures blurb they state:

“GhostWall in a lot of cases is the only real alternative to the built in Windows firewall!

  • Ideal for low latency applications
  • Doesn’t impact online games (Counter-Strike,World of Warcraft,etc)
  • Low resource and CPU use
  • Shows blocked attacks and country of origin
  • 64-bit (x64 / XP64) compatible
  • Simple and easy to use”

Seeing that it was a freebie, I decided to give it a try. The download is relatively small, only 656 KB and took a matter seconds to get the install file onto my system. Installation was smooth and after completion I noted a Ghost looking icon down by my clock. I left the default settings that came with the system in place, I went to Gibsons Research site to do some pounding on my ports via Shields Up.

All came back as either closed or in stealth mode. Which is good, but also is the same when I use the built-in firewall for Windows XP. And that is when I noticed that Ghost Wall had not replaced the firewall in XP, but was running as a supplement to it. Hmm…… Most firewalls I have used in the past take over all protections, turning off XP’s firewall automatically.

Next I look at the resources being used, and as advertised, Ghost Wall was using only 636k of memory. Thus it does qualify as a super low resource user. I think Ghost Wall because of it’s low system resources and easy to use menu system, may be one to give a try. Plus it’s FREE !

[tags]free, firewall, windows, ghost wall, resources, easy, [/tags]

ChipIn

There is no shortage of causes to donate money to, and if you’ve ever given any of your resources to one of your favorite charities, then I know you’ve felt the satisfaction that comes from giving back to the community. Some charitable causes are big (tsunami aid), and others are small (donating money to paint a local landmark), but the thing that they all have in common is a group of people willing to work together to make a change for the better. At one time or another, you’ve probably thought about starting your own cause, especially if you have the network of friends and family that could help support it. Thanks to the interconnected power of the Internet and the unifying premise of ChipIn, you too can experience the power of giving together.
Continue reading “ChipIn”