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March 28, 2011, 7:16 AM CT

Will we hear the light?

Will we hear the light?
University of Utah bioengineer Richard Rabbitt led two new studies that made a surprising discovery: an invisible wavelength of infrared light can make rat heart cells beat and cause toadfish inner-ear cells to send signals to the brain. The discovery points the way to possible development of implanted devices that can use infrared light instead of electric signals to help deaf people hear -- a new form of cochlear implant -- help blind people see and treat movement and balance disorders.

Credit: Lee Siegel, University of Utah.

University of Utah researchers used invisible infrared light to make rat heart cells contract and toadfish inner-ear cells send signals to the brain. The discovery someday might improve cochlear implants for deafness and lead to devices to restore vision, maintain balance and treat movement disorders like Parkinson's.

"We're going to talk to the brain with optical infrared pulses instead of electrical pulses," which now are used in cochlear implants to provide deaf people with limited hearing, says Richard Rabbitt, a professor of bioengineering and senior author of the heart-cell and inner-ear-cell studies published this month in The Journal of Physiology

The studies � funded by the National Institutes of Health � also raise the possibility of developing cardiac pacemakers that use optical signals rather than electrical signals to stimulate heart cells. But Rabbitt says that because electronic pacemakers work well, "I don't see a market for an optical pacemaker at the present time".

The scientific significance of the studies is the discovery that optical signals � short pulses of an invisible wavelength of infrared laser light delivered via a thin, glass optical fiber � can activate heart cells and inner-ear cells correlation to balance and hearing.........

Posted by: Nora      Read more         Source

March 7, 2011, 7:05 AM CT

Key to immune response

Key to immune response
Dr. Axel Kallies from the Walter and Eliza Hall Institute in Melbourne, Australia, and his colleagues have used molecular signatures to identify a key cell population responsible for regulating the body's immune response.

Credit: Walter and Eliza Hall Institute

Researchers from the Walter and Eliza Hall Institute have identified the key immune cell population responsible for regulating the body's immune response.

The finding could have wide-ranging repercussions for the therapy of autoimmune diseases, organ transplantation and cancer, and change how the efficacy of newly developed drugs is measured.

The discovery was made by Dr Erika Cretney, Dr Axel Kallies and Dr Stephen Nutt from the institute's Molecular Immunology division. It centred on a population of immune cells called regulatory T cells.

Regulatory T cells (T-regs) are responsible for limiting the immune response. Disorders that decrease T-reg activity can lead to autoimmune disorders such as type 1 diabetes or coeliac disease, while increased T-reg activity can suppress the immune system when it should be actively killing malignant or infected cells.

Dr Kallies said the research team had used molecular signatures to identify which cells within the regulatory T cell population were responsible for suppressing immune responses.

"It turns out that the bulk of cells which are classified as regulatory T cells may not do much," Dr Kallies said. "In this study we have identified a distinct group of effector regulatory T cells, or 'active T-regs', which are the key drivers of immune response regulation".........

Posted by: John      Read more         Source

March 7, 2011, 7:02 AM CT

Alcoholic drinks to induce superconductivity

Alcoholic drinks to induce superconductivity
Japanese scientists have been immersing iron-based compounds in hot alcoholic beverages such as red wine, sake and shochu to induce superconductivity.

Researchers from the National Institute for Materials Science, Japan, observed that immersing pellets of an iron-based compound in heated alcoholic beverages for 24 hours greatly increase their superconducting ability.

Iron-based compounds commonly become superconductive after being exposed to air. This process however can take up to several months. This study demonstrated that superconductivity can be induced in just one day.

Due to the variety of technological applications of superconducting materials, there has been a scramble for substances that may induce and enhance superconductivity in iron-based compounds.

The alcoholic beverages used were red and white wine, beer, Japanese sake, shochu, and whisky. Samples of the iron-based compound were immersed in each beverage, heated at 70oC for 24 hours, and then analysed.

Red wine was shown to induce the best superconducting properties; however beverages with the same alcohol concentration showed a significant difference. This suggests that it may not be the alcohol contributing to the creation of superconductivity but instead another component present in the beverages.........

Posted by: John      Read more         Source

March 6, 2011, 10:03 AM CT

The Freshest laptop designs

The Freshest laptop designs
With aesthetics becoming almost as important a factor in usability and performance when it comes to buying a laptop these days, manufacturers are using teams of consultants to get the design just right for a particular market before they even start putting the parts together. Business users will be looking for something that projects a corporate image of sleek efficiency, often in matt black, whereas teenagers will be more interested in bright colours and funky originality, and there is a whole raft of different requirements in between. Laptop news covers the latest designs in innovative laptops to hit the market in recent months.

Notebooks are becoming increasingly lighter and thinner, and taking on the role of fashion accessories to project a personal image as well as sophisticated machines for processing data and keeping in touch with friends and colleagues.

Intel's Core-i technology is at the heart of the laptop revolution, with these ultra-fast and ultra-small microprocessors allowing for ever-smaller designs and increased performance. They are fitted into a whole range of electronic devices apart from laptops, from digital signs to automated machines. Fitting them into laptops allows the kit to work anywhere up to three times faster than those using the Core 2 technology of older ranges.........

Posted by: John      Read more         Source

Mon, 17 Jan 2011 00:40:04 GMT

ScentScape brings smells to your movies

ScentScape brings smells to your movies
Have you ever gone to a movie and wanted to feel like you were really there? As if all the smells and sounds were real? This year at CES, ScentSciences released a bread loaf sized product that appeals to your nose�of all things. Movies that have been created with their ScentEditor software can make you smell all the smells that you would imagine to be on screen. It�s kind of a creepy way to put you more into the movie, but hey, smells are a sense we don�t use during a movie other than for popcorn, so why not?

There is a scent cartridge that can hold up to 20 distinct smells and any smells you want can be custom ordered. These cartridges should last up to 200 hours and needless to say that�s a lot of time to smell things.� This weird device only costs $69 and $19 for the editor software. This probably is a really good idea to start incorporating into movies and such as scent and memory are closely connected, but it�s still a strange concept to me. Share and Enjoy:

Posted by: Redferret      Read more     Source

December 10, 2010, 11:34 PM CT

Deals on Electronics, Watches, Family Products

Deals on Electronics, Watches, Family Products
New York (12/10/2010)-For perpetual bargain hunters and other shoppers looking to get a great deal on the latest electronics, brand name watches, wireless accessories, jewelry and more, is the lowest-priced deal-of-the-day website offering unheard-of exclusive deals on just a single item and only for 24 hours. To keep customers coming back for more, even offers surprise free products once or twice a week.

As the largest independently-owned daily deal site in the world, leverages its tremendous buying power with major brands and retailers plus a dedicated team of competitive price-comparison experts to offer outrageous deals to more than 350,000 daily site visitors, like a Magellan Roadmate GPS, HD camcorder or 12 MP digital camera-all of which recently sold for just $39.99.

How offer such amazing prices? Rather than spend precious dollars on marketing to attract new customers, 1SaleaDay focuses on giving deep savings to customers, who then pass the word on about the great deals they've discovered at the site.

"Thousands of customers make their first web stop of the day to see what's hot and get the best deal on the products they want at a price anyone can afford," said Ben Federman CEO of "Collectors, gadget geeks and even parents and grandparents check us out first to get the best deals anywhere on the web on gifts for their kids or grandkids - or even for themselves."

With a new deal posted everyday at midnight EST in each of five categories-Deal of the Day, Wireless, Watch, Family and Jewelry-1SaleaDay entices shoppers who stop by every day to check out the deal, offering items like a TomTom GPS device, luxury watches, a waterproof MP3 player with earphones, black freshwater cultured pearls, and even kid's games, accessories and home decor.

Once in a while, 1SaleaDay clears out its inventory with the Chunk o'Junk Deal featuring a box full of items randomly selected from past deals, such as laptops, MP3 players, USB adapters, GPS units, cables, accessories and cell phones - a $200 value - sold for just $5 plus $5 shipping. Chunk o'Junk deals are limited to the first 1,000 customers and are usually gone in just a few hours.

"Customers often tell us that they love shopping at 1SaleaDay not only for the great deals, but also for the fun, creative and catchy descriptions for the products," Federman said. "We don't just tell them about the product-we tell them how they can use it to get the most out of their purchase."

Most items ship the day after ordering and typically arrive in 3-5 business days via UPS or USPS. Products offered on are almost always new, in original packaging, with occasional deals on refurbished or wholesale packaged items for even greater savings. The site is accredited by the Better Business Bureau, and authenticated secure by Comodo,, McAfee and PayPal.

To find out about today's Deal of the Day, visit And, stop back tomorrow for a different deal-there's a new one posted every day.

About offers the deepest discounts on a variety of merchandise with a new deal posted every day at 12 midnight EDT. With Deals of the Day in five categories, including Wireless, Watch, Family and Jewelry, 1SaleaDay leverages its global buying power to offer discounts up to 90% off retail prices for electronics, collectibles, housewares, toys and more. Headquartered in New York, NY, is part of a family of discount retailers that includes Ben's Outlet, Dynamite Time and Glasses Unlimited. For more information, visit,

Belinda Banks
609 750 9110

Posted by: John      Read more         Source

November 8, 2010, 7:26 AM CT

Taming thermonuclear plasma with a snowflake

Taming thermonuclear plasma with a snowflake
This is a "snowflake" divertor -- a novel plasma-material interface is realized in the National Spherical Torus Experiment.

Credit: V. Soukhanovskii, Lawrence Livermore National Laboratory

Physicists working on the National Spherical Torus Experiment (NSTX) at the Princeton Plasma Physics Laboratory are now one step closer to solving one of the grand challenges of magnetic fusion researchhow to reduce the effect that the hot plasma has on fusion machine walls (or how to tame the plasma-material interface). Some heat from the hot plasma core of a fusion energy device escapes the plasma and can interact with reactor vessel walls. This not only erodes the walls and other components, but also contaminates the plasmaall challenges for practical fusion. One method to protect machine walls involves divertors, chambers outside the plasma into which the plasma heat exhaust (and impurities) flow. A new divertor concept, called the "snowflake," has been shown to significantly reduce the interaction between hot plasma and the cold walls surrounding it.

Strong magnetic fields shape the hot plasma in the form of a donut in a magnetic fusion plasma reactor called a tokamak. As confined plasma particles move along magnetic field lines inside the tokamak, some particles and heat escape because of instabilities in the plasma. Surrounding the hot plasma is a colder plasma layer, the scrape-off layer, which forms the plasma-material interface. In this layer, escaped particles and heat flow along an "open" magnetic field line to a separate part of the vessel and enter a "divertor chamber." If the.........

Posted by: John      Read more         Source

October 20, 2010, 7:37 AM CT

Curving 3D nanostructures

Curving 3D nanostructures
Twisting spires are one of the 3D shapes researchers at the University of Michigan were able to develop using a new manufacturing process.
Credit: A. John Hart
Twisting spires, concentric rings, and gracefully bending petals are a few of the new three-dimensional shapes that University of Michigan engineers can make from carbon nanotubes using a new manufacturing process.

The process is called "capillary forming," and it takes advantage of capillary action, the phenomenon at work when liquids seem to defy gravity and travel up a drinking straw of their own accord.

The new miniature shapes, which are difficult if not impossible to build using any material, have the potential to harness the exceptional mechanical, thermal, electrical, and chemical properties of carbon nanotubes in a scalable fashion, said A. John Hart, an assistant professor in the Department of Mechanical Engineering and in the School of Art & Design.

They could lead to probes that can interface with individual cells and tissues, novel microfluidic devices, and new materials with a custom patchwork of surface textures and properties.

A paper on the research is reported in the October edition of Advanced Materials, and is featured on the cover.

"It's easy to make carbon nanotubes straight and vertical like buildings," Hart said. "It hasn't been possible to make them into more complex shapes. Assembling nanostructures into three-dimensional shapes is a main goals of nanotechnology. The method of capillary forming could be applied to a number of types of nanotubes and nanowires, and its scalability is very attractive for manufacturing".........

Posted by: John      Read more         Source

August 26, 2010, 11:19 PM CT

Single-Spin Magnetoelectronics

Single-Spin Magnetoelectronics
The integration of single-spin magnetoelectronics into standard silicon technology may soon be possible, if experiments confirm a new theoretical prediction by physicists at the Naval Research Laboratory and the University of Wisconsin-Madison. The scientists predict that a family of well-known silicon surfaces, stabilized by small amounts of gold atoms, is intrinsically magnetic despite having no magnetic elements. None of these surfaces has yet been investigated experimentally for magnetism, but the new predictions are already supported indirectly by existing data. The complete findings of the study are reported in the August 24, 2010, issue of the journal Nature Communications.

Silicon provides a unique entry point for combining magnetoelectronics based on single spins with standard electronics technology. If a single-spin device can be built on a silicon wafer, input and output electronics can be directly integrated with the magnetic part of the device. This has been an obstacle for current spintronics approaches. For example, spin injection from a metal into silicon is very inefficient unless the metal/semiconductor interface is carefully optimized.

These latest results have the advantage that nature itself guides, by a self-assembly process, the formation of long chains of polarized electron spins with atomically precise structural order. "This integration of structural and magnetic order is crucial for future technologies based on single spins at the atomic level" said Dr. Steven Erwin, a physicist at NRL and lead theorist on the project.........

Posted by: John      Read more         Source

June 24, 2010, 10:10 PM CT

New chemical method important to drug design

New chemical method important to drug design
Donald Watson
Photo by Kathy F. Atkinson
University of Delaware scientist Donald Watson is part of a research team that has discovered an easier method for incorporating fluorine into organic molecules, giving chemists an important new tool in developing materials ranging from new medicines to agricultural chemicals.

The research, which is published in the June 25 edition of Science, was led by Stephen Buchwald, the Camille Dreyfus Professor of Chemistry at the Massachusetts Institute of Technology.

Watson worked in Buchwald's lab at MIT as a postdoctoral research associate previous to joining the UD Department of Chemistry and Biochemistry as an assistant professor this past September.

About 25 percent of pharmaceuticals contain fluorine, as per Watson, but it's difficult to incorporate the element into drug molecules. Numerous scientists have been working to develop general methods to introduce fluorine atoms into organic molecules under mild reaction conditions.

"The introduction of fluorine atoms into a pharmaceutical compound can have pronounced effects," Watson notes. "They can modulate the uptake of the drug and stabilize it against metabolism by the body, keeping it in a person's system longer and making it more effective".

The chemical method discovered by the research team uses a soluble palladium (a precious metal) catalyst to replace a chlorine atom in an aromatic molecule with a trifluoromethyl (CF3) group, which contains one carbon and three fluorine atoms. The process is highly general and occurs under mild conditions, and appears to become even more economical in the future as less expensive reagents are identified, Watson says.........

Posted by: John      Read more         Source

Sun, 20 Jun 2010 00:16:27 GMT

Thinking Of Getting Another LCD TV?

Thinking Of Getting Another LCD TV?
I was at the local mall the other day, searching for a replacement for my aging Sanyo ST-21SS1, a 21-inch conventional CRT television that just didn't make the cut on the type of entertainment for a wired home I had been looking for since last year.

Truth is, I want a complete HDTV home entertainment sytem, and I've been roaming the city with my sights on getting it. Unfortunately, the budget doesn't allow it so I have to settle for something affordable, and an HDTV, sans the other fancy equipment, seems the way to go. It will also work just fine with direct tv hd receivers.

During my mall tour, if you can call it that, I've seen a few LCD TVs that might suit my needs. But since I'm a sucker for brand names, I often take just one look at those wallet-friendly (read: cheap) television sets and decide that they're not worth the money I'll spend on them.

I was just about to call it quits and settle for upgrading my Sanyo television by attaching a stronger sound system when I decided to seek the HDTV model of my dreams on the Internet. I found jut what I was looking for: the new Samsung LCD TV Series 4.

© Samsung

This 26-inch beauty with 1366 x 768 resolution is Samsung's latest offering to HDTV fanatics. It boasts plug-and-play connectivity for most digital camera and video equipment models courtesy of its USB and HDMI slots. To spice up your HDTV experience even more, the Samsung LCD TV Series 4's Anynet+ gives you one-touch control over all attached Samsung audio and video devices, making the setting up a home theatre system a cinch.

Go check out the Samsung LCD TV Series 4's other features on the Samsung website or the nearest mall.

Posted by: Linda      Read more     Source

May 21, 2010, 7:17 AM CT

When it comes to security, think 'natural'

When it comes to security, think 'natural'
Mine-resistant, ambush-protected vehicles helped reduce the death toll from roadside bombs in Afghanistan and Iraq, but they lack flexibility and agility.

Credit: Photo courtesy of U.S. Army

Security systems could be more effective if officials looked at how organisms deal with threats in the natural world, University of Arizona scientists suggest in the May 20 edition of the journal Nature

The authors are working with security and disaster management officials to help put some of their recommendations such as decentralizing forces and forming alliances into practice.

"Anytime you have the illusion of full security, you get adaptation," said Rafe Sagarin, an assistant research scientist in the UA's Institute of the Environment who is the main author of the opinion piece. "Terrorists figure out unexpected means of attack, hackers come up with new software to break through firewalls, and pathogens develop resistance to antibiotics".

Instead of relying on large, centralized bureaucracies that move slowly and often lag behind in addressing threats, the authors encourage officials to look to the natural world for principles that could prove less costly, more flexible and more effective at countering threats.

The security issues of modern human societies are analogous to those of a number of organisms, as per Sagarin and his co-authors. In nature, risks are frequent, variable and uncertain. Over billions of years, organisms have evolved an enormous variety of methods to survive, grow and proliferate on a continually changing planet. The key to their success is their ability to quickly adapt to rapidly changing threats, and change their structures, behaviors and interactions accordingly.........

Posted by: Edwin      Read more         Source

Thu, 01 Apr 2010 13:00:14 GMT

Speed Up Your Digital Photo Post Processing

Speed Up Your Digital Photo Post Processing
Anything that will increase a computer's overall processing speed is always welcome, and users of digital graphics programs, such as we digital photographers, can always use more computer speed.

Anyone who has ever run the full blown Photoshop programs knows what I'm talking about so let's clean up those hard drives and at the same time recover lost files.

"Wise Disk Cleaner 5.2 Professional", by, searches for duplicate files and other extraneous bits and pieces of code that are no longer required and sweeps your hard drive clean.

This free, versatile program also performs other important functions such as lost file recovery.

Here's where you can get today's free software download.

Take a camera with you whenever possible, and look around, you'll find a picture somewhere.


Posted by: Karen      Read more     Source

March 15, 2010, 11:41 AM CT

Mobile Phone Service Providers Look To Snare New Customers With Free Gadgets

Mobile Phone Service Providers Look To Snare New Customers With Free Gadgets
As technology in the mobile phone industry has advanced so rapidly over the last 12 months - particularly with the advent of many new smart phones - and with such a large selection of similar handsets available from different manufacturers offering similar features at equally competitive tariffs, mobile phone service providers are now seeking new marketing angles and unique selling points in order to try and differentiate themselves in a highly competitive and largely saturated marketplace.

Some providers are now turning away from the frequently available free handsets, minutes and text bundles that have traditionally provided the bait for snaring new customers and are instead offering a selection of alternative gadgets and tech products such as free HDTVs, Xbox 360s, laptops or a free Nintendo Wii as incentives to attract new business and make them stand out from the crowd. This has proved a logical step for service providers not only from a sales and marketing stance, but also as modern smart phone technology can often be synchronised and used in conjunction with such products in order to further advance the user experience and help them get the most out of their new handsets. Indeed, this integration of technology through a number of electronic mediums is seemingly becoming central to users in the digital era, as telecommunications and social networking begin to merge to provide the user with 24 hour virtual interaction with the world around them – and the telecommunications industry seems to have latched onto this in order to differentiate themselves in a busy and highly competitive yet lucrative marketplace.........

Posted by: John      Read more         Source

March 10, 2010, 9:17 PM CT

Reduce your overheads with VMware hosting

Reduce your overheads with VMware hosting
Businesses have had a hard time of late with the global recession which has affected all of us in one way or another. Companies are looking for ways to tighten their belts and reduce their overheads and one method that has emerged is the use of VMware hosting solutions for their IT needs.

VMware hosting can be an especially prudent investment for SMEs with relatively few IT requirements where buying and maintaining a server in house, which may only be using a fraction of its capacity to run the email and data systems, just does not make sense anymore. Plus with an in house server you need an in house IT team to look after it, deal with issues and software updates and you run the risk of downtime if the server breaks down.

What is VMware Hosting
VMware technology allows a server to be compartmentalised, with each compartment acting as a virtual server in its own right and running its own operating system. Hosting companies can offer hosting on server stacks running VMware technology and support the IT requirements of multiple companies on a fraction of the hardware and energy that would be being used if each company were using their own in house systems. As the cost of running and supporting the systems is spread across the clients, the hosting companies can offer the services at much lower cost to each client than if they kept everything in house.

100% run time
Because a VMware hosting company is running a number of servers, they can move hosting around on the machines to allow for software upgrades or maintenance on any one machine that requires it without downtime of service for any of it's clients.

Green hosting
With multiple companies hosting their IT requirements on a reduced number of servers, the overall energy consumption for running and supporting the systems is reduced helping to lower the environmental impact and lower each company's carbon footprint.

For more information on how VMware hosting can benefit your business, visit

If you provide technology solutions to clients, reselling hosted exchange can increase your customer retention and margins.

Posted by: John      Read more         Source

March 10, 2010, 9:09 PM CT

Low cost Linux virtual hosting

Low cost Linux virtual hosting
Linux is a free open source operating system based on the Unix operating system and is a popular alternative to others (such as Microsoft) due to it's versatility. Additionally, Linux servers which most often run a platform of Linux, Apache, MySQL, Perl/PHP/Python have become very popular with web developers and in turn many businesses have websites and systems run on this software. In fact, IBM has chosen Linux to be the operating system on their Sequioa supercomputer due to be unveiled in 2011.

Linux virtual hosting has emerged as a service for companies running their IT systems on the Linux platform. It offers them the opportunity to outsource their IT requirements to specialised hosting companies who run virtual servers - server machines which have been compartmentalised, with each compartment running its own operating system and acting as an individual server.

This can be a very low cost solution which can really benefit small to medium businesses who are trying to lower overheads as we emerge from the recent recession. Plus, the nature of the virtual hosting system and the Linux platform allow perfectly for scalability as your business grows. As your needs increase, your hosting company can increase the server space available and add extra software applications, updates etc as you require them.

Switchlink can offer you Linux server hosting from as little as £5.99 a month. Find out more on their website at

Posted by: John      Read more         Source

March 8, 2010, 9:14 AM CT

A high-tech handrest

A high-tech handrest
A prototype of the Active Handrest is shown here with a person using it to manipulate a stylus for writing or drawing. It was developed by University of Utah mechanical engineers as a way to let surgeons, machinists, artists and others precisely control scalpels, tools, brushes and other objects over a wider workspace than normally is possible. The person using the device places an elbow on an elbow rest and the hand on a motorized handrest equipped with a force sensor. The handrest can move any direction within a horizontal plane in response to pressure exerted by the user. A study of the device shows it allows better control of tools than other support devices, and with less fatigue. Motors controlling the device protrude from the lower left and lower right.

Credit: University of Utah.

University of Utah engineers developed a computer-controlled, motorized hand and arm support that will let doctors, artists and others precisely control scalpels, brushes and tools over a wider area than otherwise possible, and with less fatigue.

"We've invented a new device the Active Handrest that's useful for aiding people in performing precision tasks with their hands such as surgery, painting, electronics repair or other tasks that require precise control of the fingertips," says William Provancher, an assistant professor of mechanical engineering.

A patent on the device is pending, and Provancher says he may form a spin-off company to commercialize it, or may license it to companies that produce touch-feedback devices, make robotic surgery equipment, produce art or refurbish electronics.

Provancher will discuss development and testing of the Active Handrest on March 25, during the Institute of Electrical and Electronics Engineers' Haptics Symposium in Waltham, Mass. Haptics is to the sense of touch as optics is to the sense of sight.

"The Active Handrest would benefit surgeons and other medical personnel, artists, machinists, workers performing pick-and-place tasks, or anyone requiring dexterous control of tools," Provancher wrote in a paper prepared for the meeting.........

Posted by: John      Read more         Source

February 26, 2010, 11:42 PM CT

A Guide to Choosing from Different Types of Headsets

A Guide to Choosing from Different Types of Headsets
Technology is so advanced these days that life is becoming more and more effortless with each passing day. Take for example the recent introduction of G4 Bluetooth by Cardo Systems. These little devices are basically designed for bikers so that they can converse with each other while riding on the same bike or on different bikes. Hence, even bikers also can keep in touch with each other while riding bikes. There are different types of headsets available in the market today. There are user specific headsets and you can choose the one that suits all your requirements. The following list will help you decide which one would be best suited to you and will fulfill all your needs.

Business and Telephone Headsets

Headsets for home or business purposes come with wired or wireless features. Today the wireless varieties come with noise cancelling technologies and hence, they are apt for business environments. You can easily use them during long important conversations so that you don’t miss any minute details in noisy environments. At the same time the wireless ones come in very handy in your home as well as in the office as you can perform other tasks and carry on a telephonic conversation simultaneously.

VOIP Headsets........

Posted by: John      Read more         Source

February 24, 2010, 9:54 PM CT

Still haven't found the right web hosting provider for your website?

Still haven't found the right web hosting provider for your website?
One of the reasons why a lot have been setting up their own websites either for personal or for business is that there's just so many options to choose from these days. But sometimes, the more choices there are, the more confusing it is to actually choose the right provider.

If you don't want to spend much or to spend at all on a hosting provider, then you might be looking for something like a free hosting package. Although, there are a lot of web hosts who offer free hosting, not all of them are quite nice neither for your website nor worth your time. Some web hosts actually put annoying ads, even pop-ups on your site in exchange for the free service they provide. Your site may look very unprofessional and you're not even going to get any share from it either. And others are just simply not capable enough of providing you a good and reliable hosting.

Doteasy, on the other hand, is one of the leading domain name registrars that also provide web hosting services. What sets them apart from other web hosts is that they offer really low prices without sacrificing the quality of service they provide. Their unlimited hosting plan which is perfect for a business website starts at only $9.95 per month. And if you want to first test how reliable their service is, you can actually try out their free web hosting package which is completely free. No set up fee and no monthly fee. Aside from that, they currently have a promo which lets their customers register for any domain name for only $5.95 and already get a free hosting package with it.

If you want to take advantage of this great promo, just use the coupon code 100223DN when registering, or click the link below.

Posted by: Milan      Read more         Source

February 18, 2010, 9:56 PM CT

Stitching together lab-on-a-chip

Stitching together lab-on-a-chip
Cotton thread, shown in this close-up image, provides a simple way to transport fluids for low-cost "lab-on-a-chip" tests for detecting disease and other purposes.

Credit: Wei Shen

Researchers in Australia are reporting the first use of ordinary cotton thread and sewing needles to literally stitch together a microfluidic analytical device microscopic technology that can transport fluids for medical tests and other purposes in a lab-on-a-chip. The chips shrink room-sized diagnostic testing equipment down to the size of a postage stamp, and promise revolutionary applications in medicine, environmental sensing, and other areas. Their study is in ACS Applied Materials & Interfaces, a monthly journal.

Wei Shen and his colleagues note that the development of low-cost "lab-on-a-chip" diagnostic tests has become an attractive area of research. Existing devices require etching microscopic channels onto slivers of silicon, glass, ceramics, or metal in a costly, complicated process. The researchers set out to find an alternative, and did so with cotton thread, which wicks fluids along its tiny fibers.

They stitched thread into paper to form microfluidic sensors capable of detecting and measuring substances released in the urine of patients with several human medical conditions. "The fabrication of thread-based microfluidic devices is simple and relatively low cost because it requires only sewing needles or household sewing machines," the report said. "Our results demonstrate that thread is a suitable material for fabricating microfluidic diagnostic devices for monitoring human health, environment and food safety, particularly for the population in less-industrialized areas or remote regions".........

Posted by: John      Read more         Source

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