Friday, October 31, 2008

Now Shopbots are Taking Care of Your Cost

by Judith Peterson

The trend of online shopping is on its great pace. You too may be an obsessed online buyer but still you might have loosing some better chance there. None of you would like to pay more and especially when you have cheaper options. The online market is flooded with online shops and you will be amazed with the fact that still some of them are really available with much lower prices for the same product what you normally pay higher at other places. People are usually habituated to go for only some renowned name like eBay, Amazon etc but here shopbots reduce all such hassles and help you know the cheaper options for the same product taking negligible time.

Shopbots are normally a platform that helps you crawl for the cheaper online retailers. A shopbot usually keeps a list of much cheaper retailers with facility of viewing their products and make an order for the products without switching to those concerned sites. If you wish to compare the price of any product with other, you can select the item and just click on the compare price tab.

Your buying list may include anything like electronic gadgets, gift items, books, CDs, Poker chips and a lot more.

You may now put a question as what the interest these shopbots have in making your deal better. Or do they work on charging some fees for that? No you never have to pay these shopbots but the only way of their income is revenue earned through pay per click or a small percentage of deal given by the online retailers.

You can find a number of such shopbots but normally there are there major and reliable player where your shopping can be safe and secured. You can search for Kelkoo, Pricerunner, and to get an entrusted deal and even for the quality products.

The idea to choose shopbots for your easier search can be a better options, as normally it is tough to scan every one's prices individually form among the available hundreds of sites on the net. Further, as these services are free of any charge, it no use sticking to only some well know names rather to save good buck on your online shopping.

About the Author

Judith Peterson is an expert web writer and has niche in online shopping tips and buying products online. Currently he is associated with which is an online shopping venture and has amazing product range on best rates. To view quality products in a wide range, you can feel free any time to click on

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Sunday, October 26, 2008

Solar Ink for Renewable Energy

by Anna Williams

Have you ever heard of solar ink? Well, there are some really smart people out there, creating some really smart inventions, and this is one of them.

- There is No Energy Shortage on Earth

There is no energy shortage on earth, there is a shortage in technology to harvest the energy available on earth.

To put things in perspective - the sun delivers more energy to earth in a single day, than the combined population of earth (including the industries) are capable of using in a year.

So why the energy "shortage?"

Well bluntly, the problem has been in the costs of collecting or harvesting the energy provided "freely" by the sun.

Are there solutions on the horizon? Fortunately there are. Alternative energies are being developed and investigated at an increasingly rapid pace.

In fact, the development of solar energy technology is no longer in the phase of "is it feasible?" Its simply a matter of getting it pushed through and implemented. Current research has the primary aim of increasing the effectiveness of solar energy, and reducing the manufacturing cost of solar energy devices.

We have already seen a considerable drop in the prices of PV modules/solar panels. They are no longer used only on space satellites. They are now installed in everyday devices, and have come into common use.

And now, a new solar energy technology is on the verge of a breakthrough. This new alternative energy technology will boost solar power into the mainstream consumer market and it will make it cheaply available for anyone.

Its called "solar ink."

- What is Solar Ink?

Good question. Do you write with it?

No - but you probably could if you wanted to. The breakthrough is that it is actually printable.

Okay, not to confuse you any further. Solar Ink is a new method of dissolving tiny particles of silicon (nano particles, which are only a few atoms thick), into a solution which allows one to "print" solar panels (in extremely thin layers), onto all sorts of materials. It can be printed out by the acre, and is a fast process. This process would allow a vast quantity of solar paneling to be produced, at only a fraction of the current cost.

A solution such as the one above is exactly what we need in order to rapidly and inexpensively mass-produce solar panels.

The future for solar energy can be very bright - it's just a matter of what we do with it.

About the Author

Learn more information about how you can use solar power and alternative energy, by visiting and

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Saturday, October 18, 2008

History of Cars

by Richard Crittendon

The invention of wheel has brought about epochal changes in way human civilization has evolved. From bullock carts to modern vehicles, we have seen a paradigm shift in transportation modules and cars are unarguably the most evolved form of these. When you need to rock the road, you just turn on the keys of your machine.

But have you ever tried to sneak a peak into the history of your car? Or, for example, at what stages it has actually gone through to attain the current form? Or, have you checked to see what is the actual development story of your car?

Well, just give a bit of rest to your staggering neurons, as herein you'll find a brief account of the history of cars.

The First Car!

Many scholars have discrete opinions about the first ever automobile that appeared in the history and hence no exact inventor of the machine can be convincingly pointed out. Various automobile engineers from Nicolas Cugnet and Richard Trevithik to Gottlieb Daimler and Wilhelm Maybach, have been credited with the invention of the car. But, the invention of modern cars is originally accredited to Karl Benz. This legendary inventor built the first ever four-stroke gasoline based automobile, "Motorwagon", in Manheim in 1885 and achieved patent over the technology under his company, Benz and Cie. The commercial production of the vehicle was started in 1888. Moving further with the advancement in vehicle technology, Benz designed the first internal combustion engine, named 'boxermotor' in Germany.

Several other entrepreneurs have hopped into the industry to make most out of the newly appeared automotive segment. Daimler and Maybach together founded the brand 'Daimler' in 1890. The most notable change in the car segment was marked in the year 1926, when 'Benz and Cie' and DMG merged to form Daimler-Benz company with Mercedes Benz as its most prominent brand. Meanwhile, a number of other brands were also emerging across the major parts of the world, especially Western Europe, Peugeot in France and DMC in Britain were among the few notable ones.

Improvements in Automobile Designs

The first automobiles consisted of the body of the horse-drawn vehicle with four rubber tires fitted beneath it. That apart it also lacked nearly any safety gears that are routinely available in modern vehicles. With the advent of new materials and technology, the automobile body underwent significant modifications in its structure and performance. The wooden exterior of the automobile was replaced with the metallic body and the interiors got more and more luxurious with the passage of time. Similarly significant changes were seen in engine design, architecture and technology. However the basic usage of an internal combustion remains prevalent in most cars even after the passage of a century. Modern cars have achieved high levels of perfection in performance as well as fuel efficiency. Along with high speeds and striking designs, automobiles today can also boast of effective safety measures. Last but not the least one must note that a lot of the development that we find in cars today are a result of incremental developments that took place during the long and illustrious history of cars.

About the Author

Article written by Richard Crittendon of For related information, see the recent article on the 2008 Jeep Patriot review.

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Friday, October 17, 2008

Who Invented The First Inkjet Printer? The History Of Inkjet Printers

by John C. Arkin

No single person can be credited with the invention of the first inkjet printer. However, we can safely say that it was invented in 1976 but did not enter the popular consciousness until 1988 when Hewlett Packard released the DeskJet Printer and marketed it like a home consumer item. It must be said, however, that buying this printer and the printer cartridges was not everybody's cup of tea as it was priced at around $1000. A steep price indeed!

The Inkjet Revolution

If you compare the inkjet printer in use today to those that were launched some twenty years ago, you will find that they have indeed come a long way since then. Though they arrived in the stores in the 1980s; it was way back in the 1970s, that printer companies recognized the fact that the ink based printers were the way forward and this technology would be revolutionary in nature. They began the process of developing printers and printer cartridges. The initial challenge for the company was not only to concentrate on quality but also on affordability. Siemens invented a popular inkjet printer model in 1977 and it became quite popular amongst businesses and organizations. The biggest benefits of this printer were that it sprayed ink only when necessary and were not very expensive.

A Few Challenges

A major challenge faced by printer developers with regards to this type of printers was the fact that the flow of ink from the print head to the page needed to be controlled. This required cutting edge technological research not only in terms of the printers but also the printer cartridges. Initially the dried ink, clogged the printer head, and even the IBM strategy to use electrically charged droplets for coating the pages with ink was not successful and lacked consumer appeal. This challenge was tackled by two companies namely Hewlett-Packard and Canon. They introduced the inkjet printer in the market that used liquid ink, held in cartridges. These became vastly popular and this technology is still in use today.

The Inkjet Cartridges

An article on these printers won't be complete without mentioning the role of printer ink cartridges in the scheme of things. It is the ink cartridges that played a stellar role in the increasing popularity of these printers. Printer cartridges are the core element of each and very printer and they have also gone through a long and evolved process of development, side by side with the printers. Without the development of printer ink cartridges there would be no inkjet printers. It's as simple as that.

As can be seen, the whole process of developing a printer is long and goes through a long period of trial and error. This is one of prime reasons why so many companies have contributed to the development of printing technology.

About the Author

This Article is written by John C. Arkin from PrintCountry, the contributor of Printer Ink Cartridges Articles. More information on the subject is at Who invented the first Inkjet Printer? The History of Inkjet printers, and related resources can be found at Lexmark Ink Cartridges.

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Basics Of How Metal Detectors Work

by John Tasher

Since 1931, when the first portable metal detector was patented, the growth in the use of metal detectors has steadily increased. Metal detectors are every where. There are both industrial, commercial and personal use of metal detectors. When most people think of metal detectors they think of the guy on the beach with a set of head phones swinging back and forth a funny looking stick. People that use metal detectors to look for lost relics or treasure are known as treasure hunters, or relic hunters.

How do metal detectors work? What wondrous magic do they use to see through the ground and point us to what we are looking for. The principles behind metal detectors are fairly simple. The first metal detector was invented by Alexander Graham Bell in 1881. Although the principles a simple their use in the invention were ingenious especially for the time.

Metal detectors can be used to find all sorts of metal in anything but other metal. There are metal detectors designed for specific terrain; for instance under water. The reason for this will become apparent when we talk about how they actually work. Metal detectors are designed to detect shifts in electromagnetism in metal. This is accomplished by transmitting a magnetic field through the target surface. As the magnetic field passes over an area metal objects in the area will become magnetically charged. These changes in electromagnetism are detected in by a receiver attached to the metal detector in very much the same way radar detects aircraft in the sky. Once a shift in the magnetic field is detected then a signal is sent to a speaker to notify the operator that a piece of metal has been detected. With older metal detectors different types of metal could not be differentiated between. But, today's metal detectors can determine the difference between different types of metal and signal to the operator which type it is. Higher metal detectors can actual be programmed to only search for a specific type of metal.

The magnetic field of a metal detector can be generated in many different ways. But, there are three specific ways that modern metal detectors generate this field. First would be via a pulse and if there is an echo of the pulse detected then you have found some treasure. The second way is through what is known as beat frequency. With beat frequency two oscillators are used to create different but close frequencies. When an audible beat is detected between them then metal has been found.

The third and final detective device uses measuring sine waves. When there is no metal in the area the sine waves are flat like a lake on a windless day. When there is a shift in the magnetic field indicating a change in magnetism the sine waves bounce to indicate that metal has been found.

Although some of this really sounds very scientific, it really is not very difficult to understand. The basic mechanics behind a metal detector is that it plays on metals ability to become magnetized and then measures those changes to determine where the metal is and what type of metal it is.

About the Author

John Tasher writes on a wide variety of subjects. If you are looking for Metal Detectors For Sale, or Cheap Metal Detectors or Discount Metal Detectors, then visit his site

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