How Do They Do It Electricity – Discovery Channel

January 27th, 2012 by admin No comments »

The Discovery Channel investigates how PJM Interconnection manages the electricity grid.

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1969 Chevrolet Camaro RS/SS $125500.00

January 26th, 2012 by admin No comments »

One of a kind Pro Touring Camaro RS/SS, Show Quality Tuxedo black paint, maroon hockey stripe, custom leather interior, limited production (#86 of 186 built) all aluminum GM ZL1 Ram Jet 427 ci/500 hp fuel injected engine, T5 manual transmission with SFI bell housing & hydraulic clutch, MSD ignition, billet power steering, Wilwood 4 wheel power disc brakes with slotted & drilled rotors, polished Vinatge air conditioning, ceramic headers, custom Ron Davis aluminum radiator with fans, complete custom interior, bucket seats, custom console, Carbon Fiber dash with Autometer tach & gauges, Momo steering wheel, Memphis custom sound system with touch screen radio, custom stainless steel H pipe dual exhaust with Magnaflow mufflers & tips, 12 bolt 3.55 posi with Moser axles, front & rear sway bars, Fat Man front suspension with Air Ride Technologies 4 corner air bags with digital read-out built into the dash, 4 link rear suspension, Budnick wheels (15X12 rears, 15X8.5 fronts), DSE mini-tub kit, DSE fuel tank, complete Dynomat sound deadener, cowl hood, factory Soft Ray tinted glass, custom billet LED tail lights, DSE billet hood hinges, 700 miles on No Expense Spared ($175000.00) Professional Nut-N-Bolt Restoration! One of the Nicest in the Country!

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Spices For Depression – They Really Can Spice Up Your Mood

January 21st, 2012 by admin No comments »

Some spices such as saffron, sage, cardamom and chillies are known to have specific anti-depressant effects; while others work indirectly by improving the general health of the individual.

General effects of spices

Spices have the highest antioxidant activity of all food types including fruit and vegetables (American Journal of Clinical Nutrition 2006). Antioxidants are very important in countering free radical damage which can in turn aggravate or cause many degenerative diseases.

All chronic degenerative diseases are associated with free radical damage and an increased incidence of depression. Therefore preventing or treating them by eating antioxidant-rich foods like spices, will also help to reduce the incidence of depression.

Saffron

For centuries, saffron has been used to treat depression in traditional Persian medical systems.

Recently several clinical trials have shown that this yellow spice is indeed as effective as many of our current anti-depressant drugs in treating mild to moderate depression.

The first of these was a double-blind placebo controlled trial where patients with depression were given 30mg of saffron extract daily for six weeks. By the end of this period depression in the treatment group had improved by a far greater extent than the placebo group.

In two other clinical trials depressed patients taking saffron were compared to those taking two commonly prescribed anti-depressant drugs, imipramine and fluexitine (Prozac). In both these trials saffron was found to be at least as effective as the two modern drugs. An important bonus was that no side effects were observed in the patients taking saffron.

Chillies

Chillies also have mood elevating effects. They work by stimulating a specific type of pain receptor (called TRPV1) on sensory nerve endings. When these nerves are stimulated they signal the brain to release chemicals called endorphins. Endorphins, in turn, stimulate the release of the brain chemical, dopamine which in turn acts as a mood elevator and relieves depression.

Many modern antidepressant drugs also work by increasing levels of dopamine in the brain.

Sage

A double blind placebo controlled trial has shown that sage reduces anxiety and elevates mood. It has been known for several years that compounds in this spice work by inhibiting cholinesterase, an enzyme that is intimately involved in the transmission of signals across nerve synapses.

Sage has the added benefit of improving memory.

Cardamom

Cardamom has been used by traditional Ayurvedic practitioners to treat depression in India for thousands of years. Although there are no clinical trials to back up the use of this spice to treat depression there are biochemical reasons that give an indication as to why it is effective.

As with other organs the brain is subject to toxins, free radical damage and other environmental and genetic insults. Aging and damage caused by environmental agents can aggravate a propensity to develop depression. However this susceptibility can be reduced by using one or more of those spices known to have anti-depressive properties. In addition the diet should include a variety of other spices most of which contain neuro-protective phytonutrients; some of which may also have yet-to-be-discovered mood-elevating properties.

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History of the Camera

January 9th, 2012 by admin No comments »

Early cameras of the 16th and 17th century were able to project images onto paper or glass but the study of capturing, processing and printing the images took many more years. Up until the 17th century, scientists believed that light was composed basically of the ‘white’ that is perceived by the human eye. It took the research done by famous physicist Isaac Newton to discover that light is actually composed of a spectrum of colors. While he made a big contribution to the study of optics (that is at the core of camera advances) with this discovery, Newton did not actually have anything to do with camera development per se.

The early camera that first became a phenomenon was a little more than a pinhole camera and can be traced back to 1558. It was called the Camera Obscura. The Camera Obscura was seen as a drawing tool for a clearer and realistic portrayal of objects. It was in the early 19th century that an invention named the Camera Lucida was introduced by Cambridge scientist William Hyde Wollaston that consisted of an optical device that could help an artist view a distant scene or person or object on a paper surface that he or she was using to draw. In other words the artist gets to view a superimposed image of a subject on paper and this image could be effectively used to attempt to draw, trace or paint it. Both the Camera Obscura and the Camera Lucida provided an image that was temporary, which could not be lastingly captured on to paper for later reference.

Studies however continued well into the 1800’s on how to actually capture the image onto material. It was during this time, around 1822 that French researcher Joseph Nicephore Niepce, created the first photograph by using paper that was coated with a chemical. The image would not stay permanently on the paper and would disappear after a short while. Even so, despite the short-lived nature of the image, the concept of photography was born with this experiment and paved the way for further study and development in this field.

Capturing images to retain them longer and permanently became the next big quest for researchers. Another Frenchman Louis-Jacques-Mandé Daguerre partnered with Joseph Nicéphore Niépce in 1829, to develop the process of creating permanent photographs. Joseph Niépce died in 1833 but Daguerre continued with the work and succeeded in 1837 after many long years of experimentation. The process of capturing photographic images that would not fade away, introduced by Daguerre came to be known as the ‘daguerreotype’.

The word ‘photography’ was coined by scientist Sir John F.W. Herschel in 1839 and it is actually is derived from two Greek words ‘photos’ meaning light and ‘graphein’ meaning draw.

A slightly more advanced version of the daguerreotype called the Calotype process that makes multiple copies possible using the negative and positive method became available very soon after. In fact, it was during the 1840’s that the use of photographic images in advertisements first started and cameras made their mark on the power of visual communication. It was not much later, in the 1850’s that photographers first started experimenting with underwater photography of seascapes.

Up until 1850, the process of capturing images was cumbersome requiring upto half an hour of light exposure. The discovery made in 1851 by Frederick Scott Archer was a blessing since the new method termed the Collodion process called for just 2-3 seconds of light exposure to capture an image.

Prior to 1871, photographers went through a development process where they had to coat the plate with wet chemical each and every time and process the image immediately. With the invention the gelatin dry plate silver bromide process by Richard Leach Maddox, negatives did not have to be developed immediately. This was an important discovery since up until then the captured image had to be processed instantly.

Kodak created in 1888 by George Eastman has been a modern day pioneer of sorts in cameras and photography for the masses. George Eastman and the scientists who worked with him at Kodak developed the photographic film in 1889 and made it available in rolls for the mass use of consumers. An important milestone in our entertainment and communication history was the development of transparent roll film by Eastman. This development led to another key invention – the motion picture camera by Thomas Edison’s in 1891.

–>Modern Times

During the 20th century the pace of technology development in cameras and photography continued at an accelerated pace much like many other key technology developments. While several key inventions like car, telephone and the gramophone record happened in the later half of the 19th century, it is the last 100 years that saw major developmental work in many areas of communications technology and as well as in other fields – TV, aircrafts, PCs, digital technology, digital cameras, mobile phones, fax machines and the internet, to name a few.

In the case of the camera, the developments simplified the whole process of photography, making it accessible to one and all at affordable prices and the camera industry denizens of our times made it into a mass phenomenon. The first mass use camera became available at the turn of the 20th century and can be traced back to the year 1900. There are hundreds of models of cameras available today both for the amateur as well as the professional and the camera is an important part of any family’s repertoire of must have gadgets.

–>20th century chronology in the history of the camera:

1913: 35 mm still-camera created

1927: The flash bulb introduced by General Electric Co. (The concept of camera flash existed much before but was based on the use of a flash light powder that was invented by German researchers)

1935- 1941: Kodak starts marketing Kodachrome film and subsequently launches Kodacolor negative film. Canon released the Hansa Canon in 1936, the first 35mm focal-plane shutter camera.

1948: The concept of the Polaroid camera is introduced in the market. American scientist Edwin Land developed the process for instant photography. Later Polaroid Corporation developed the ‘instant color’ film around 1963.

1957: Frenchman Jaques Yves Cousteau invented the first waterproof 35mm camera for underwater photography named the Calypso Phot. The actual camera was developed by the Belgian airplane technical designer Jean de Wouters based on the blueprint and suggestions given to him by Cousteau.

1972: The electronic camera that does not require film was created and patented by Texas Instruments. This is however not the same as a digital camera though you don’t require film in digital cameras as well. The launch of the digital camera is still many years away.

1975: Kodak’s experiments with digital imaging kicked off around the mid seventies but it will take another 20 years before a digital camera for the home consumer market is launched.

1978 – 1980: Asian players like Konica and Sony begin to make their mark. The ‘point and shoot’ automatic focus camera is launched by Konica while Sony starts talking about the camcorder and demonstrates a prototype.

1981: Sony launches a commercially available electronic still camera. Similar to the 1972 invention by Texas Instruments, the Sony electronic camera came with a mini disc on which images were recorded and stored. The recorded images could be later printed or viewed on a monitor using a reader device.

1985: Digital processing technology makes its entry. Digital imaging and processing is introduced by Pixar.

1986: The camera industry becomes even more consumer focused and taps the fun and travel connotations behind camera usage, with the launch of the concept of the disposable single use cameras. Fuji is credited with the development of this concept.

Also in 1986 – 1987, Kodak started taking giant strides in digital development. Digital means, the photographic image is divided into tiny units of dots or squares known as pixels. Pixels are the programmable units of an image that can be processed by computers. Each image could be made up of millions of pixels. The use of pixels in digital technology allows storing large volumes of pixels to deliver high definition print quality.

1990: Kodak introduces Photo CD’s. It is a system of storing photographic images on CD and then viewing them on a computer. With this development the user-friendly approach of the camera industry began to take concrete shape.

1991: Kodak introduces a digital camera targeted at professionals and journalists. Kodak is credited with the invention of a pixel based camera technology known to us as the digital camera. Digital cameras don’t use film similar to their predecessor electronic cameras but the storage method is entirely different and the final photograph is of much higher resolution. In a digital camera photos are recorded and stored in digital form. This digital data can be transferred to a computer and processed for printing. Kodak and Canon are well known digital camera manufacturers and there are also several other key brands as well.

1994: The Apple QuickTake camera, a home use digital camera is launched. This is followed by the launch of a clutch of home use digital cameras by Casio, Kodak and others in quick succession during 1995 -’96.

–>The digital era:

The development of digital camera technology is considered to be linked to the development of TV and Video technology. The principles of transmission and recording of audio-visual images using digital electrical impulses finds use in camera imaging as well.

Through the 1990’s the developments continued in camera technology, the focus now shifting to the field of digital imaging which is where the future lies. Use-friendly features like software that can download digital images directly from camera onto home computers for storing and sharing on the internet is the new norm in the market place.

The camera, the computer, the software industry and the worldwide web are today irrevocably interlinked to empower the user in experiencing the benefits of camera usage to full potential. The innovation that sparked many an invention in the camera industry found its way into the digital world as well and continued among digital camera manufacturers. During 2001, the Kodak and Microsoft partnership ensured that digital camera manufacturers could use the power of Picture Transfer Protocol (PTP) standard through Windows. The digital photo experience is a key visual driver in the Internet era. Many of Kodak digital camera models with EasyShare capabilities are compatible with Windows XP. The Kodak EasyShare software enables users to transfer digital camera pictures directly from camera to their computers and then print the pictures or even email them.

Manufacturers in a related industry like the printing industry have adapted their products to be in sync with the images created by digital cameras. Cell phone manufacturers have tied up with digital camera manufacturers to develop new age camera phones in recent years. These camera phones can capture images and share the images through the cell phone.

Among the 21st century digital developments are the advanced product offerings from digital cameras manufacturers and these are sure to occupy an important place in the ensuing history of camera development. For instance, the Kodak Professional DCS Pro SLR/c is a high-end digital camera and the Kodak website calls the DCS Pro SLR models the most feature-rich digital cameras on the market. It has an image sensor that can handle 13.89 million pixels and this makes it the highest resolution digital camera available. High resolution determines the sharpness or level of detail in photographic images. This is just a glimpse of the capabilities that digital technology places in a user’s hands. Digital camera sales figures for 2003 show that the two key players Kodak and Canon have recorded impressive growth.

–>What does the future holds for camera users?

The features offered by digital cameras can be quite mind-boggling for the average user and pretty exciting for most pros. Four key ongoing camera developments that are likely to further improve the process of photography:

1. Greater resolution from even the simplest, low cost camera models

2. Usage in any type of lighting conditions,

3. Compatibility across a range of software, hardware and image types

4. Rich colors and tone

While the higher-end digital evolution continues, the prices of the simple camera have crashed to such an extent that even children and teens are proud owners of uncomplicated cameras. The camera and photography interest starts young and this creates a truly large audience base for the camera industry.

And throughout history, it is evident that the endeavor of researchers and developers has been to make the camera available to a wide section of society. Without camera technology and photography, the other key developments of cinema and TV would have been delayed and what a boring place the world would have been without TV and films!!

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Nissan Maxima Common Problems and Solutions

December 31st, 2011 by admin No comments »

There seem to be some common issues among Nissan Maxima owners who have the 2000-2004 models. These tend to range from intermittent rough idle to reported transmission problems, to a drastic decrease in performance. We are looking in to the real cause of the problems, and offering our advice on what to do, and what NOT to do.

We looked into how to troubleshoot the intermittent rough idle problem in the latest article. It can be attributed to the ignition coils, which have proven to go bad in the first few years of ownership. The next issue we are going after is the supposed transmission problems I have been hearing about. This problem has been described as a hesitation in the shifting from 1st to 2nd, or 2nd to 3rd under half to full throttle. It also causes hard shifting, and the appearance of a “rev limiter” around 4000 rpms. The TSB (technical service bulletin) out for this says that the solenoid control assembly in the transmission is to blame. This assembly is responsible for the correct shift times for the transmission. Sounds like the right answer, right?

Maybe. These control assemblies can go bad, but it is only due to the build up of debris in the transmission system. This debris comes from clutch material and burned transmission fluid. With that much clutch material worn down, you would most likely have some slipping in the transmission occurring. If it is indeed slipping, then I would look at a transmission rebuild or replacement. Simply replacing the control assembly would just delay the inevitable, and cost you 500-750 dollars.

The issue I have described is NOT the transmission. I repeat. NOT the transmission. In my example, I have not described any slipping of the transmission. In a lot of cases, this “transmission” symptom is accompanied by a pinging engine and low performance. This is most likely a fuel related problem. The ping is from a lean fuel mixture (not enough gas). The poor performance could be from the same cause. If the knock sensor or the trans solenoids were bad, you would eventually get an engine trouble code from the ECU/TCU. The first place to check is the fuel filter in the gas tank. There is not an external filter on these cars, and that filter in the tank is SELDOM changed. The new filter should fix the engine ping, the performance issues, and the “transmission” type symptoms. The “rev limiter” feel is from the engine not having enough fuel to continue raising the rpms. The hard shift is from the transmission anticipating the faster shift needed at higher rpms, but the engine is not performing correctly, so the acceleration is not there to complete the smooth shift. All these systems work intricately together. Lower the fuel pressure available to the injectors, and all of the above symptoms can occur.

Be sure to have the codes checked. In a lot of cases I have seen, these issues come and go with no check engine light. That is a good sign it could be the fuel filter. You may also have a dirty throttle body, which I recommend cleaning when you replace the filter.

Good luck, and stay TUNED!

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