| | System Mechanic | Windows Live™ OneCare™ | Norton 360™ | Norton System Works™ | Fix-It Utilities Pro 8™ |
| Repair Problems | | | | | |
|---|---|---|---|---|---|
| Repairs registry problems |  |  | | | |
| Repairs hard drive problems | | | | | |
| Emergency CD revives downed systems | | | | | |
| Reconnects invalid broken shortcuts | | | | | |
| Automatically maintains PC with patent-pending ActiveCare™ technology | | | | | |
| Speed up PC | | | | | |
| High-speed, single-file, and low-level drive defrag | | | | | |
| Automatically accelerates PC startup 19 ways | | | | | |
| Boosts internet speeds up to 300% | | | | | |
| Defragments and recovers memory in real time | | | | | |
| Compacts and defragments registry | | | | | |
| Windows cleanup | | | | | |
| Cleans over 50 different types of junk files | | | | | |
| Removes invalid uninstallers and programs | | | | | |
| Wipes internet history, clutter and cache | | | |  | |
| Security and privacy | | | | | |
| Fixes dangerous settings to prevent intruders and attacks | | | | | |
| 10 pass military-strength secure file wiping | | | | | |
| Automatically blocks dangerous or unwanted programs and configuration changes | | | | | |
| Erases browser, MS Office and search history | | | | | |
| System customization and reports | | | | | |
| Customize hundreds of hidden Windows settings | | | | | |
| Detailed system configuration reports | | | | | |
| Full undo capability with historical logs | | | | | |
| Real-time data on hard drive status | | | | | |
| Analysis believed accurate based on research performed November 1, 2007. List of features is not exhaustive. All trademarks are property of their respective owners. |
Automotive giant, Toyota, and the Japanese research foundation have created a revolutionary new device that will most likely change the lives of paraplegics forever. It involves a wheelchair that is steered by - wait for it - mind control. No levers or buttons to push, just your thoughts steering the device where you want it to go.
The application of this new technology is made possible by EEG (Electro-encephalogram) signals, and this application is also said to be one of the first practical uses of the technology.This is how it works: An EEG detector, a cheek puff detector and a display that assists with control is fitted to the wheelchair. The EEG detector is in the form of a electrode array skull cap that fits onto the person's head while in the wheelchair. By simply thinking about the direction of the movement, the electrodes detect the brain signals and then respond by turning left or right and moving in the desired direction.
Now, the system has a reported accuracy rate of about 95 percent, which means a secondary safety device is needed. This is where the cheek safety puff comes into play. If something goes wrong, the person simply puffs his cheek, and a sensor then detects the movement and tells the device to stop completely.
The existence of EEG was discovered well over a hundred years ago, but it is only now recently that there seems to be an interest to develop practical uses for the phenomenon.
In March 2009, Honda also created and tested a BMI, essentially allowing a person to control an Asimo robot using only their thoughts through EEG.
One of the biggest challenges to detecting these EEG signals, is that the signals can only be measured in micro-volts on the surface of a person's skull.
This means the measuring equipment needs to be ultra-sensitive, and also have the ability to filter out external and irrelevant noise signals created by other movements. The actual EEG signals are also incredibly difficult to interpret in itself, because they are intermingled with signals of billions of other brain cells working together.
Toyota and RIKEN have managed to refine the analysis algorithms, noise elimination and signal processing in such a way that the system can now detect and interpret these signals at a 95% accuracy rate. They have also managed to get the processing response time down to 125 milliseconds (or 1/8th of a second) giving the device real-time control.
Currently, there are no plans to commercialize the technology, although a wide range of posssiblities exist in which to apply these types of systems.
The Norton 2009 beta program has been launched to allow adventurous users who join, to be the first one to get to use these two future software, tryout the features and provides feedback or bug reports. And the best part is, by joining the beta program, users get to use NIS 09 and NAV 09 for free, with a genuine product key for activation.
The 2009 releases of Norton Internet Security and Norton AntiVirus were engineered to be fast, and light on system resources. Norton Internet Security provides comprehensive security against all types of online threats while Norton AntiVirus protects against malicious software without slowing computer system down.
New features in Norton Internet Security 2009 and/or Norton AntiVirus 2009
To get your unique personal product key or serial number for NAV and NIS 2009, go to Norton AntiVirus 2009 beta download page or Norton Internet Security 2009 beta download page. Select the country of your location, fill in email address and click to check box to agree to the terms of free beta software, and then click “Submit” button. An legitimate and valid product key will be sent to your mailbox, and the direct download link will be presented on screen, which is listed here.
Norton Internet Security 2009 Beta: NIS-16-0-0-BETA.exe
Norton AntiVirus 2009 Beta: NAV-16-0-0-BETA.exe
WEST LAFAYETTE, Ind. - Researchers have created a new type of invisibility cloak that is simpler than previous designs and works for all colors of the visible spectrum, making it possible to cloak larger objects than before and possibly leading to practical applications in "transformation optics."
Whereas previous cloaking designs have used exotic "metamaterials," which require complex nanofabrication, the new design is a far simpler... device based on a "tapered optical waveguide," said Vladimir Shalaev, Purdue University's Robert and Anne Burnett Professor of Electrical and Computer Engineering.
Waveguides represent established technology - including fiber optics - used in communications and other commercial applications.
The research team used their specially tapered waveguide to cloak an area 100 times larger than the wavelengths of light shined by a laser into the device, an unprecedented achievement. Previous experiments with metamaterials have been limited to cloaking regions only a few times larger than the wavelengths of visible light.
Because the new method enabled the researchers to dramatically increase the cloaked area, the technology offers hope of cloaking larger objects, Shalaev said.
Findings are detailed in a research paper appearing May 29 in the journal Physical Review Letters. The paper was written by Igor I. Smolyaninov, a principal electronic engineer at BAE Systems in Washington, D.C.; Vera N. Smolyaninova, an assistant professor of physics at Towson University in Maryland; Alexander Kildishev, a principal research scientist at Purdue's Birck Nanotechnology Center; and Shalaev.
"All previous attempts at optical cloaking have involved very complicated nanofabrication of metamaterials containing many elements, which makes it very difficult to cloak large objects," Shalaev said. "Here, we showed that if a waveguide is tapered properly it acts like a sophisticated nanostructured material."
The waveguide is inherently broadband, meaning it could be used to cloak the full range of the visible light spectrum. Unlike metamaterials, which contain many light-absorbing metal components, only a small portion of the new design contains metal.
Theoretical work for the design was led by Purdue, with BAE Systems leading work to fabricate the device, which is formed by two gold-coated surfaces, one a curved lens and the other a flat sheet. The researchers cloaked an object about 50 microns in diameter, or roughly the width of a human hair, in the center of the waveguide.
"Instead of being reflected as normally would happen, the light flows around the object and shows up on the other side, like water flowing around a stone," Shalaev said.
The research falls within a new field called transformation optics, which may usher in a host of radical advances, including cloaking; powerful "hyperlenses" resulting in microscopes 10 times more powerful than today's and able to see objects as small as DNA; computers and consumer electronics that use light instead of electronic signals to process information; advanced sensors; and more efficient solar collectors.
Unlike natural materials, metamaterials are able to reduce the "index of refraction" to less than one or less than zero. Refraction occurs as electromagnetic waves, including light, bend when passing from one material into another. It causes the bent-stick-in-water effect, which occurs when a stick placed in a glass of water appears bent when viewed from the outside. Each material has its own refraction index, which describes how much light will bend in that particular material and defines how much the speed of light slows down while passing through a material.
Natural materials typically have refractive indices greater than one. Metamaterials, however, can be designed to make the index of refraction vary from zero to one, which is needed for cloaking.
The precisely tapered shape of the new waveguide alters the refractive index in the same way as metamaterials, gradually increasing the index from zero to 1 along the curved surface of the lens, Shalaev said.
Previous cloaking devices have been able to cloak only a single frequency of light, meaning many nested devices would be needed to render an object invisible.
Researchers do not know of any fundamental limit to the size of objects that could be cloaked, but additional work will be needed to further develop the technique.
Recent cloaking findings reported by researchers at other institutions have concentrated on a technique that camouflages features against a background. This work, which uses metamaterials, is akin to rendering bumps on a carpet invisible by allowing them to blend in with the carpet, whereas the Purdue-based work concentrates on enabling light to flow around an object.
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Australian social media marketing company uSocial is offering a paid service that finds followers for users of the micro-blogging service.
Followers are available in blocks starting at $87 (£53) for 1,000. The biggest block uSocial is selling is 100,000 people.
USocial said businesses and individuals were queuing up to use its follower finding service.
Find and follow
Leon Hill, chief executive of uSocial, said the company finds potential followers by searching Twitter and working out what individual users are interested in. It also profiles where people are so it can more closely match users with those they might want to follow.
USocial then sends messages to potential followers telling them about the new Twitter user they might want to follow.
"It's up to the user to follow them or not," said Mr Hill. He added that uSocial continues to look for followers until the specified number had signed up.
USocial has about 150 customers that had bought followers and had another 80-90 campaigns about to roll out.
A broad range of clients had signed up to buy followers, said Mr Hill including educational organisations, companies and marketing firms.
"A woman who runs yoga classes is one of our clients," he said. "So are some religious organisations including one man that just wants to get the word out about God."
"Twitter started as a way for just friends to keep in touch," said Mr Hill. "As with any social media site once they get big, every business or marketer jumps on the bandwagon.
 |  Twitter is becoming one of the key viral channels  Robin Goad, Hitwise |
"It's an excellent marketing medium," he said.
USocial estimated that each follower on Twitter was worth about 10 cents a month to a company that got them to sign up. The money would be made from adverts and sales on websites that followers click through to.
Robin Goad, a research director at Hitwise who has analysed Twitter growth, said businesses were definitely starting to sign up to the micro-blogging service.
"At the moment, it's mainly media and internet content businesses," he said. "Transactional companies are struggling to find a way to drive real pounds and dollars from it.
"Companies are building up as many followers as they can and trying to monetise them in the future," he added.
The growing commercial use of Twitter was presenting the network with a few problems, said Mr Goad.
In particular, he said, Hitwise was starting to see the hijacking of hashtags - labels that bring all the messages about a subject together.
In late June, furnishings firm Habitat used tags associated with protests in Iran to attempt to drive people to its site. The firm has since apologised for its actions.
Some Twitter users were also starting to send out messages that are only about a product or service - effectively spam, said Mr Goad.
"Twitter is becoming one of the key viral channels," he said.
Twitter might cope better with the creeping commercialisation than other social media sites, he said.
"It's interesting in the way it has developed," said Mr Goad. "Hashtags and re-tweets have developed organically rather than been designed from the top down.
"One advantage it has over other services is that it can change quickly if hashtags become a polluted medium and it might keep one step ahead of the spammers," he said.
"We've yet to see people defecting to the next big thing."
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It is very difficult a task for many of us when it comes to converting a document to PDF format.However it is quite essential for us to know this since it the format which is compatible to use through internet.
Diff doc : Compare files of all types PDF, Word, Excel, PowerPoint, RTF, XML, HTM, TXT documents and retain the formatting Edit the documents within this application, and refresh manually
Integrated into the Explorer Shell (Windows Explorer, Desktop, Find in Files, etc.) for quick comparisons
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Compares text from any application
Paragraph differences are highly detailed
Both Side By Side and All In One views are supported.
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Detailed HTML Reports now possible allowing of printing and e-mailing results quickly. Both Side By Side and All In One compare reports are supported
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Change cells Value or Formula
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Supports over 20 image file types. Convert PDF to TIFF, Convert PDF to JPG, Convert PDF to BMP, etc.
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Command line (Invisible at runtime) and GUI execution. Complete flexibility, complete power. Scheduler included.
All parameters, including source and target files, conversion options etc. are persistent across runs of the program.
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