Ideas From You

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Posted by : TrueCompanion

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Outdoor Air Conditioning - Intelli Cool
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Do you hate going outside on summer days? Is it because you can’t bare the heat of the sun? You won’t have to stay cooped up indoors with you air conditioning blasted anymore thanks to a remarkable invention!

The Intelli Cool is said to be the first ever outside air conditioning unit that uses a special water evaporation technology. The fans attached to it cool the air in your nearby surroundings.

Its excellent and fantastic features don’t end here. It also provides bright light so you can also enjoy yourself on the not so sunny days.

Source : Trend Hunter Magazine

TC-051008-I-01

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Posted by : TrueCompanion

Evolution of Different types of Glass
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Float Glass : Perfectly flat clear glass made using the Float Process. Glass form most widely used for windows etc.

Reflective Glass : Ordinary Plate glass with a metallic coating on one side to reduce solar heat transfer. The metallic coating produces a mirror effect prevent viewing through glass pane.

Insulating Glass: Two or more panes of glass with a hermetically sealed space between. Glass used for double glazing.

Pattern Glass: Normal plate glass with pattern molded into the surface by passing plate through engraved rollers

Wired Glass : Normal glass which has a wire mesh inserted during the production process. This glass is only as strong as normal glass. However on fracture the mesh stays in place and holds the glass together. Can be used for security and for a low cost fire glass

Laminated Glass : Laminated glass is a combination of two or more glass sheets with one or more interlayers of plastic (PVB) or resin. In case of breakage the plastic holds the glass fragments

Fire-Resistant Glass: Contains flames and inflammable gas for a short period of time. Does not prevent the conduction of heat through panes.

Tempered Toughened Glass: Tempered (toughened) glass is two or more times stronger than annealed glass. When broken, it shatters into many small fragments which prevent major injuries. Tempered glass has a highly stress surface and cannot be cut as conventional plate glass

Bullet Proof Glass : Bullet-resistant laminates consist of multiple plates of glass with a internal polycarbonate plates bonded together by interlayers of polyvinyl butyral or aliphatic urethane. These laminates can resist bullet penetration from a variety of small arms and rifles.

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Posted by : TrueCompanion

Hair Dryer :

A hair dryer, also known as a blow dryer, is an electrical device used to dry and style hair. It uses an electric fan to blow air across a heating coil; as the air passes through the dryer it heats up. When the warm air reaches wet hair it helps evaporate the water. Hair dryers may be used with a variety of brushes and combs to achieve different hair styles.

The first handheld hairdryer appeared on the market in 1925. It produced only 100 watts of heat and therefore did not have sufficient power to dry hair quickly. It weighed over 2 lb (1 kg) because it was made of heavy steel and zinc. Over the next 20 years engineers improved the design and managed to triple the heat output, raising it to 300 watts. By the 1960s, further improvements in electrical technology allowed the production of hairdryers with up to 500 watts of power. In the late 1970s, manufacturers began to focus on improving the safety of dryers. Early hairdryers were dangerous because if they accidentally came in contact with water they would short circuit and cause an electrical shock. There are hundreds of recorded cases of accidental electrocutions because a hairdryer was dropped into a bathtub or sink full of water while it was being used. In the late 1970s the Consumer Products Safety Commission (CPSC) recommended guidelines for hair dryer manufacturers to follow that would create safer products.

The power of hair dryers was limited by the electric motors available. As smaller, more efficient motors were developed, greater airflow and greater heat output could be chieved. By the 1990s portable hairdryers could produce over 1500 watts of heat. Improvements in plastic technology and the discovery of new insulating materials made possible a new generation of lightweight hairdryers. Modern hair dryers can produce up 2000 watts of heat and can dry hair faster than ever before.

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The Story of Bakelite :

The first completely synthetic man-made substance was discovered in 1907, when Leo Baekeland, a New York chemist, developed a liquid resin that he named Bakelite. Baekeland had developed an apparatus - which he called a Bakelizer - that enabled him to vary heat and pressure precisely so as to control the reaction of volatile chemicals. Using this pot-like apparatus, Baekeland developed a new liquid (bakelite resin) that rapidly hardened and took the shape of its container. Once hardened, the resin would form an exact replica of any vessel that contained it. This new material would not burn, boil, melt, or dissolve in any commonly available acid or solvent. This meant that once it was firmly set, it would never change. This one benefit made it stand out from previous "plastics." While celluloid-based substances could be melted down innumerable times and reformed, Bakelite was the first thermoset plastic which would retain its shape and form under any circumstances.

Bakelite could be added to almost any material - such as softwood - and instantly make it more durable and effective. Numerous products began to be manufactured based on this new material. One of the sectors of society most interested in its development was the military. The US Government saw Bakelite opening the door to production of new weaponry and lightweight war machinery that steel could not match. In fact, Bakelite was a key ingredient in most of the weapons used in the Second World War.

Bakelite was also used for domestic purposes such as electrical insulators. For this purpose it proved to be more effective than any other material available - so effective, in fact, that it is still used as such today. Bakelite is electrically resistant, chemically stable, heat-resistant, shatter-proof and neither cracks, fades, creases, nor discolors from exposure to sunlight, dampness or sea salt.

TC-011008-I-01

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Viruses to power batteries of the future :

The energy for tomorrow's miniature electronic devices could come from tiny microbatteries about half the size of a human cell and built with viruses. Researchers from the Massachusetts Institute of Technology in the US believe they can build them, thanks to a new advance in battery technology.

By pouring a mixture of the harmless, genetically engineered M13 virus and the metal cobalt over stamped silicon film, Professor Angela Belcher and her colleagues have created a flexible, microscopic battery that could be cheaply mass produced.

In theory, it could turn virtually any surface - from large computers to tiny implanted detectors for cancer or heart disease - into an energy-storing device.

Because the batteries are so small they will first be used to power small things, such as lab-on-a-chip technology and implantable devices that would monitor patient health.

Eventually Belcher hopes to scale up virus-based batteries for larger devices like computers or even cars that wouldn't need a separate battery. The battery would instead be built into the surface of the car itself.

28.09.2008

Market Holiday

Posted by : vikasmunjal_01

Will the market be closed on 1st oc on the eve of eid

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Posted by : gv

Dear TrueCompanion,
Very informative post
MRi is not an ideal choice for lie detecting
Offcoure movement makes the result images loose details
The MRI imaging totally depend on Hydrogen (water content ) in the body/Brain
The Ideal modality to study brain is PET scanners (positron emitting Tomography)This procedure is expensive than MRI,but results are amazing
When you investigate Terror cost should not be a consideration

The CIA has developed Face reading program in real time
And can make out whether a person speaking truth or not with lot of accuracies
This also used when sensitive debates in UN,and feed backs are given to the bosses
They try use the 32 muscles in the face and the movement of the eyes
To get it .
Regds
GV

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Posted by : TrueCompanion

A New Lie Detector in the offing :

Although security services the world over have used lie detectors to lock many people up over the years, they are not very reliable. However, a new way of scanning brain activity may change that.
The long-established polygraph test measures a person's respiration rate, heart rate, and perspiration. The idea is to detecting anxiety associated with guilt or lying. But simply being anxious – about, say, being interrogated – can produce similar signals, and some people may be able to learn to beat the test. By some accounts, the results from such tests are no more accurate than guesswork.

Measuring brain activity directly is though to be a more promising approach. This is currently achieved using technologies such as functional magnetic resonance imaging or EEGs. But these methods have disadvantages of their own. For example, EEGs provide only a very low resolution picture of brain function, and fMRIs are hugely expensive, while scans are ruined by small movement of the subject.
Scott Bunce, at Drexel University's College of Medicine in Philadelphia, thinks a better solution is to send near-infrared light through the scalp and skull into the brain and see how much is reflected back. And he has designed a special headband that does just that.The amount of reflected light is dependent on the levels of oxygen in the blood, which in turn depends on how active the brain is at that point. This, he says, gives a detailed picture of real-time activity within the brain that can be used to determine whether the subject is lying.

23.09.2008

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Body's Gene selection method :

The genes for many traits are passed down in families from parents to children. For example, if your parents have black hair, then it is likely you and your brothers and sisters will have black hair. Once in awhile, though, this doesn't happen and parents with black hair will have a baby with blond hair.

How this happens is explained by the principle of "segregation." It is one of the basic principles of genetics and works for plants and animals alike.

Because you come from two parents, each parent will provide one half of your genes for any trait. That is called an "allele." So you have two alleles for each gene, one from each parent.

When both alleles tell your body the same thing, then your body "expresses" that gene. But what if you have two alleles that say different things? For instance, your earlobes, not something you usually think about, may be attached or free to flop. This is determined by one gene that comes in two forms: one for attached earlobes and one for free. If you got one allele for attached from your mom and one for free from your dad, how does your body know what kind of an earlobe to make? One of the earlobe alleles dominates over the other. No matter if the genes came from your mother or father, certain genes will dominate.

26.09.2008