Man-Made Diamonds; A Buyer's Guide

It seems almost impossible to watch TV or open a newspaper without seeing something about man-made diamonds. For centuries of years science has tested to create a perfect synthetic diamond. Finally, 21st-century technology has made that prospect a reality.

There are many reasons to purchase synthetic diamonds instead of the mined variety. The prices charged for mined diamonds are, in the very best verbiage, an illusion. To put it more bluntly, Cecil Adams, in his award-winning newspaper column "The Straight Dope" says: "Diamonds are a con, pure and simple." Diamond prices are largely controlled by the DeBeers diamond cartel, and they are not a fair reflection of diamond scarcity. Additionally, studies show that one out of three diamonds sold in the US today has been altered to artificially increase its value. Further studies have shown that on average a couple pays 40% too much for their diamond engagement ring.

Beyond deceiving pricing, there are the issues of "blood diamonds", forced child labor, and a myriad of other disturbing diamond facts.

Recently, socially conscious celebrities such as Gwyneth Paltrow, Minnie Driver, and Angelina Jolie have made a vocal issue of wearing only synthetic diamonds to the many gala events they attend.

Good synthetic diamonds are naturally indistinguishable from the mined variety, but without the baggage, and additionally, they cost thousands of dollars less. But, which synthetic diamond is the best choice?

There are many types of man-made or synthetic diamonds available. The choices are numerous, but unbiased information is scarce. Here is an overview and comparison of the synthetic diamonds currently unavailable on the market:

Cubic Zirconia

The grandfather of simulated diamonds, Zircons are available wide. In their best examples, CZ's are actually a fairly decent diamond replica. Unfortunately, the commodity-like availability and vast differences in quality have made the stone synonymous with low-cost fashion jewelry. Perhaps a good choice for cheap bling, but not for fine jewelry. Many sources are available, a decent one is: http://www.czfantasy.com

Russian Diamonds

Including Russian Brilliants, Russian Stars and others, they are in fact nothing but high quality cubic zirconias. This is not mentioned prominently on their web sites and they will only cop to it when pressed, but that is the fact. Russian diamond simulates are priced around $ 280 per carat.

Russian Diamonds are a fine jewelry selection and are usually mounted in quality precious metal settings.

Russian Brilliants are one of the best and oldest sellers of "Russian Diamonds" available at: http://www.russianbrilliants.net

Moissanite

Moissanite is a lab-created mineral that is a very good diamond simulant. Moissanite has been on the market as a fine jewelry choice since the early 90s and has picked up quite a few fans. Moissanite is a hard mineral that, like diamond, will cut glass. There are a couple of minor downsides to moissanite however. First, it is quite expensive, (though still cheaper compared to diamonds) usually priced about $ 500 per carat for good samples.

Secondly, moissanite does not have the same optical qualities as diamond and there are several indicators that make them easy to spot with the naked eye for an experienced practitioner. It is difficult to produce a pure white moissanite and they often appear slowly green when viewed in natural light. Also, moissanite has significantly higher radiance and brilliance factors then natural diamond, causing them to appear "too sparkly" to some. Overall though, moissanite is a beautiful synthetic diamond choice.

"Moissanite From the Sky" at http://www.fromthesky.com is a good source of fine moissanite jewelry.

Diamond Nexus

Diamond Nexus gemstones are the result of a fairly new scientific advancement in processing technique, and have only recently been available in the United States.

Diamond Nexus gemstones are excellent diamond simulants and come very close to matching the properties of mined diamonds at many different comparison points. They cut glass, being virtually identical to diamond on the Mohs (hardness) scale. They refract perfect "hearts and arrows" and have radiance and brilliance statements very close to flawless diamond.

Best of all, they are currently introductory pricing for the US market, and are a steal at $ 79 per caret. Diamond Nexus gemstones are only available in precious metal, solid-gold settings.

Diamond Nexus is only available from Diamond Nexus Labs at: http://www.DiamondNexusLabs.com

White Sapphire

Sapphire is the second hardest natural mineral on the Mohs scale, surpassed only by diamond. They are, unlike the others in this review, a natural stone. Their radiance and brilliance are not up to the standards of diamond however. Neverheless, quality white sapphires priced at around $ 220 per carat are a good diamond alternative.

A quality source is: http://www.TheNaturalSapphireCompany.com

Gemisis Cultured Diamond

Gemisis diamonds are beautiful and almost perfect diamond replicas. Unfortunately, they are not available in a clear, white color, so they are not a good choice for traditional diamond settings. However, if a yellow, orange or pink diamond is what you crave, Gemisis offers stunning choices in beautiful precious metal, fine-jewelry settings.

Gemisis Cultured Diamonds are only available at: http://www.gemisis.com

Recap:

Synthetic diamonds offer many advantages over the mined variety. You can buy with confidence, knowing that you are getting exactly what you paid for, and have not been the victim of diamond pricing chicanery. If you are concerned with the world around you, you can have a clear conscience, knowing that your money has not contributed to the support of an unethical and abusive industry.

However, there are many choices of synthetic diamonds, with varying degrees of quality. Take a little time to review the seller's information to get a clear idea of ​​what the science is behind the gemstones you are buying.

For my money, I believe the best choices are quality Moissanite stones or the new diamond simulant gemstones available from Diamond Nexus Labs.

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How to Take Care of Your Hand Tools

A good set of tools will always serve you well, provided you take care of them, protect them against rust and damage and keep them stored neatly. High quality hand tools can cost quite a bit of money, although many people assume they require no maintenance or care and throw them carelessly into a drawer or cheap plastic toolbox. Here’s a look at the proper way to take care of your screwdrivers, pliers and all other metal tools to make them last you a lifetime.

Step One: Cleaning

All tools should always remain free of dust and debris, which can cause damage over a long period of time. If your tools get dirty or wet during use, take the time to clean them afterward. Most tools can be cleaned with a simple soft brush that you keep near your tool cabinet. Rust, the main enemy of metal, can cause permanent damage if left unchecked. Rust forms from moisture, although you can prevent it with most tools by applying a light oil on rust-prone areas. When rust does form, use a fine scrubber and oil to remove it but remember, rust will also be prone to reforming on this area in the future. If you can afford it, invest in tools that are made from high-quality metal alloys to make them resistant to rust and corrosion. Finally, any moving parts should be lubricated occasionally so they remain in good working order.

Step Two: Proper Storage

What’s the point of cleaning your tools regularly if you don’t have proper storage in place? Depending on your needs, a simple toolbox will suffice. If you have a large collection of tools or use them professionally in a trade, a metal cabinet is a good option. Tools should always be organized and sorted and put back in their designated area after each use. This way, they’re always there when you need them. Ideally, tools won’t touch each other while they’re stored. A few companies have developed storage systems to address this. Keep all of your instruments in a dry area free of moisture, dust and direct sunlight. For sharp instruments like chisels, keep them in a holder so you won’t accidentally hurt yourself when you get them out. Tools should never be left on the ground or a working area as they can pose a serious hazard. Try to group your tools together in a way that makes sense to you.

Step Three: Maintenance

Most people are injured using their tools when they aren’t kept sharp or in good condition. Metal blades should always be well oiled and replaced when they lose their sharpness. Regularly inspect your nuts, bolts, screws and other small parts for damage so you know when they need to be replaced. If you own hand tools with a wooden handle, take the time to sand and oil it regularly to prevent splinters and splitting.

Facts and Care for White Ink Tattoos

When you hear people talking about getting a white ink tattoo, they usually mean a design which is in all white ink with no other colours. These tats are typically more subtle than the blaringly loud designs you would get with black ink or coloured marks. A white ink tattoo will more often than not, look more like a scar/brand. It is a great way to get inked in a more private way. These marks are usually only really visible when you deliberately show it someone. It is the best of both worlds. You can have your very personal art, without getting any kind of negative attention at formal gatherings or at work.

Simplicity is key when it comes to white ink tattoos. Keep in mind that your tattoo artist will be working with ink which is a little bit trickier to see. Simplistic art has a solid shot at showing up more clearly than a complicated one. Trendy selections include shooting star tattoos, dragons, writing, key tattoos, Kanji symbols, hearts, and basic tribal patterns. These are so much easier to ink and way less likely to end up as a confusing and disappointing blur. All white tattoos will require to be inked over a few times to make sure the finished pattern is as noticeable as possible. Also, darker coloured skin tends to dampen the brightness of white ink.

With a typical tattoo, the design is usually stenciled in before shading begins. The outlines are done with a dark ink, usually black. This provides a very noticeable pattern the artist uses to keep on track. Tats without any dark ink tend to be a bit more blurred. It is more difficult to follow what you have inked when using only white ink. If a different coloured ink is used with the white, it can result in blended mess.

The ink used is completely different from base white inks which tint other colours. When used as the primary ink, you get a much thicker, top quality mixture which is created solely to stand out as much as it can.

White ink tattoos will lose a portion of their brightness and clarity if they are constantly in the sunshine. If you get this type of design, be sure to keep it out of the sun as much as possible. The easiest way to do this is to get inked in an area which you normally cover up. Your back or chest make for ideal areas. If you normally wear clothes with a bit more cover in the summer, you could also try using your shoulder or just below the ankle. (Keep in mind – any tattoo applied near a bone will hurt more than one that is put on muscle).

If a stencil is used on your white ink tattoo, the artist can either make the outline in your own blood or with purple dye. As a warning, your blood can sometimes tint the ink pink, and the purple can also mix. Your best bet is to have a pro do a simple design without a stencil. Ask your tattoo artist if he or she has much experience with white ink before you let them draw on your skin.

Sometimes people have some bad reactions to white ink. Reactions can also happen with black ink, but they are happen more often with white. Reactions include itching and swelling. In some cases the ink can also turn yellow if it mixes with sweat. As a prevention method, there is nothing wrong with asking for a small sample ink in the area you are aiming to have the full design. This way you be more confident that you will be left with a great tattoo instead of an ugly scar.

As with any ink, if you do not put in the effort to take special care of your new tattoo, you might end up with something that only barely resembles the art you wanted. Don’t scratch or touch the area. Always keep the gauze on for the minimum of 2 hours. Never ever cover up a new tattoo with plastic/saran wrap. Use only lukewarm water, mild liquid antibacterial soap, and your own hands to clean the area. Lightly dab with paper towel to dry it off. Do not put anything like sunscreen or Neosporin over the area. Lastly – take extra care to not let your new tattoo to get too much sunlight until it heals.

Just follow these steps and you will have the best chance of having a clear yet subtle design you can show of to your friends.

Computer and Technology Today

Computer plays an essential role people’s day to day life especially at work place, schools and even in home. Twenty first century has been the age of so many technological advancements aimed for making the lives of people better. Computer helps them become more efficient in their work.

Computer technology in banking:

Technology has made our living easy and comfortable, for instance our banking needs. Previously people need to maintain the important data of their customers manually. But right now, in just one click, they would be able to find all the customers’ data instantly. The customers are able to know about the transactions of their account by logging in to the bank website. Moreover, it is possible to apply for loans through online.

Improvements of computer technology:

Computer technology has improved our life style far better than before. Due to the emergence of internet and technology, the world has shrunk to a global village. Even though the advancement in internet creates new challenges like computer problems and virus threats, the computer technology like antivirus software made easy to overcome these problems.

Computer in food industry:

The automation and computerization in food processing units is facing lots of challenges if they are used nearby water catastrophic effects on any computer system. Most food processing units prefer waterproof computers to protect their computer systems from drenching in the production area.

Computer in medical field:

Hospital is an important organization and computers are used for the management of a hospital. The accounting, payroll and stock system of the hospital have been computerized in recent days. We can maintain the record of different medicines, their distribution and use in different wards etc. using computer. Even the disease can be diagnosed by entering the symptoms of a patient. Moreover, various computerized devices are used in laboratories for different tests of blood etc.

Computer in agriculture:

Nowadays agricultural industry is also making use of the computers. The analysis that was taken some few years before shows that 44% of the farmers in Ohio are using computers for various purposes. In 1991, only 32% of the farmers were making use of it. This shows that there is considerable increase in the farmers who are using computers. As internet becomes the means of communication, most farmers use this technological advancement for transaction processing or for retrieving information. The analysis shows that out of the total farmers who were surveyed, 80% of them are making use of the internet.

Computer in education:

Due to the globalization of education, so many challenges are posed by the new trends. In order to face all these challenges, information technology in the education sector is very important. It is essential that the students become familiar with the concept and use of information technology in order to equip them for future job market. Similarly, the faculty can achieve better quality in teaching methodology. The computer technology has developed in many fields. Its drastic development has created an immense impact in almost all the fields and thus leading to a new era.