Wednesday, November 19, 2008

What is SEO?

SEO or Search Engine Optimization is the process or how to optimize websites or blogs that we have to be shown on the search engine is good search engine Google, Yahoo, and MSN, this process can also be used to increase traffic to the website / blog us. Website / blog that has a high rank will usually be placed on the first page of search results from search engines.

So SEO that lead us to put the website / blog at least we are in the first page of search results search engine. SEO is the process to create a website with relevant search engine. And all that can be achieved with 2 ways to do that is with the study of the keywords that we will use the website and a link to the website. With many traffik to come to a website indicates how important the website is on the search engines. Search engines will see that our website is quite important for the website, another website that links to me, that means the website will also ranked first in the list of search engines.

In a very fundamental SEO is the use of appropriate keywords in the website / blog and our website, which many refer to webste to us then that is great opportunity for us to receive a higher ranking for example, the Google page Rank. All this is how we use this technique, how to get ranked high. One thing to remember here is that if we want to put the website we have a good ranking in search engines using SEO techniques.

Still confused?, Is the principal SEO techniques to get high traffic to a website / blog using keyword-specific keywords. Keyword-keyword later that this will be the bait to attract the netter when they search through the search engine. And that all need proses.

Wednesday, November 12, 2008

Earth Structure

Earth layered structure. (1) inner core; (2) outer core; (3) lower mantle; (4) uppper mantle; (5) lithosphere; (6) crust

Advances in seismology, computer modelling, and mineralogy and crystallography at high temperatures and pressures give insights into the internal composition and structure of the Earth.

Earth layered structure. Typical wave paths from earthquakes like these gave early seismologists insights into the layered structure of the Earth

Seismologists can use the arrival times of seismic waves in reverse to image the interior of the Earth. Early advances in this field showed the existence of a liquid outer core (where shear waves were not able to propagate) and a dense solid inner core. These advances led to the development of a layered model of the Earth, with a crust and lithosphere on top, the mantle below (separated within itself by seismic discontinuities at 410 and 660 kilometers), and the outer core and inner core below that. More recently, seismologists have been able to create detailed images of wave speeds inside the earth in the same way a doctor images a body in a CT scan. These images have led to a much more detailed view of the interior of the Earth, and have replaced the simplified layered model with a much more dynamic model.

The seismically-imaged Farallon Plate subducting beneath North America. The only remnants of this plate on the Surface are the Juan de Fuca Plate and Explorer plate in the Northwestern USA / Southwestern Canada, and the Cocos Plate on the west coast of Mexico.

Mineralogists have been able to use the pressure and temperature data from the seismic and modelling studies alongside knowledge of the elemental composition of the Earth at depth to reproduce these conditions in experimental settings and measure changes in crystal structure. These studies explain the chemical changes associated with the major seismic discontinuities in the mantle, and show the crystallographic structures expected in the inner core of the Earth.

What Does a Geologist Do?

Geologists work to understand the history of our planet. The better they can understand Earth’s history the better they can foresee how events and processes of the past might influence the future. Here are two examples:

Volcanic Mudflow Hazard Map by USGS
1) The processes acting upon the Earth cause hazards such as landslides, earthquakes and volcanic eruptions. Geologists are working to understand these processes well enough to avoid building important structures where they will be damaged. If geologists learn a lot about volcanic mudflows of the past then that information can be very useful in predicting the dangerous areas where volcanic mudflows might strike in the future. The map at right shows areas that are thought to be at risk from future mudflows around Mount Rainier. Intelligent people should be cautions when considering activities or property development in these areas. (Click on the map to see greater detail.)

2) Geologists have worked hard to learn that oil and natural gas form from organic materials deposited along the margins of continents and in shallow seas upon the continents. They have also learned to recognize the types of rock that are deposited in these near-shore environments. This knowledge enables them to recoginze potential oil and natural gas source rocks. In the photo below oil field workers are placing a tool into an oil exploration well. This tool will be lowered down the hole and will record tiny amounts of radioactivity released from the rocks below (rocks rich in organic materials frequently contain tiny amounts of radioactive materials). The information obtained from the tool will help them assess the oil and natural gas production potential of the rocks below. If they do these tests at many locations within a region they might be able to map an oil or natural gas field.

What is Geology?

Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them. It includes the study of the organisms which inhabit our planet. A very important part of geology is the study of how Earth’s materials, structures, processes and organisms have changed over time.

Monday, November 10, 2008

For Design with your home

If you've recently bought a new house, or you're thinking of redecorating your existing home in DC, it might pay to consider bringing in expert help. Some people think that hiring an interior decorator is a luxury, but the truth is that an outsider can often look at your home with a fresh and unbiased eye, and if you are careful to remain in control of the project, the results can be spectacular.

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New President of U.S

New U.S. president will face hard choices

On election night in the United States, there will be an emotional celebration, the likes of which contemporary America has rarely seen, especially if Barack Obama wins. Echoes of the Founding Fathers, and the promise and imperfections of the nation, will reverberate.

Even if John McCain pulls an upset on Nov. 4, he is a man of such character that he will try to address some of the wrongs perpetrated in his name, while being immortalized as the most resilient Phoenix-like figure in U.S. political history.

This is a big election; in very different ways, these are two big men.

Yet soon thereafter a sobering reality will hit: This new president inherits the most troubled country, in terms of domestic and foreign policy, of any new American leader since Franklin D. Roosevelt.

As fascinating as 2008 has been, neither of these men has educated voters much on the challenges ahead. The tone and substance of the campaign are really no different than they were six weeks ago, while the world has changed.

"It would have been better if one had told America about the stark realities of how difficult this is going to be," said the presidential historian Doris Kearns Goodwin.

In the 24/7, sound-bite-driven politics of today, Goodwin and others say, this may not be possible. It's still unfortunate.

Both Obama and McCain devoutly believe in public and civic service and the centrality of sacrifice to American exceptionalism. With two wars and the most severe financial crisis in three-quarters of a century, the times call for shared sacrifice. The foundations of the global economy are in tatters, a $1 trillion deficit looms and any light at the end of the Iraq and Afghanistan tunnels is dim.

Obama, when asked what policy changes this new environment requires or what sacrifices are necessary, talks vaguely about the need to "start thinking" about energy conservation and the like. He refuses to cite any significant spending cuts he would make in light of the new fiscal situation.

He suggests that the country can have universal health-care coverage, make a huge down payment on energy independence and fund expensive alternative-energy sources, enact a variety of desirable new domestic initiatives and cut taxes for 80 percent of Americans. All in his first term.

That is good politics in the autumn of 2008; it will make for difficult governance in 2009.

The impracticality of McCain's programs is more serious. His pledge to balance the budget within four years - repeated earlier this month, well after the impact of the fiscal crisis hit - is a travesty, neither desirable nor achievable.

Asked how he would get there, he first trots out the old, and now tired, saw of ending earmarked funds for special projects, which is fiscally insignificant.

He espouses a freeze in discretionary spending, which is also bad policy. A few small examples: Would a President McCain cut, in real terms, spending for the National Institutes of Health and research efforts to find cures for diseases like cancer and Alzheimer's?

His running mate, Sarah Palin, says the McCain-Palin administration would increase funding for the National Institutes of Health, the government's health research laboratories. In Florida, McCain talked about funding for the space program. What else will be unfrozen?

There are only two ways to even start down the road to a balanced budget: Cut back on the growth in entitlements, like Social Security and Medicare, and scale back the $4.2 trillion in tax cuts over 10 years that the Arizona Republican has promised. On these, McCain is silent; he has asked no sacrifice of wealthier Americans.

On foreign policy, there will also be a sobriety check shortly after Nov. 4. McCain says we're "winning" in Iraq. Really?

Obama suggests that a troop surge in Afghanistan, rather than Iraq, is what's needed; few experts agree that more troops, as necessary as they may be, will turn the tide there.

Then there's Russia and how we deal with the despotic Vladimir Putin, abusive at home, aggressive with his neighbors, yet probably essential to any international efforts to handle the nuclear threat from Iran. "We are all Georgians," as McCain said, isn't a policy prescription for dealing with Putin.

And it's a good bet that the next president, at some stage, will be confronted with the reality that the greatest foreign policy issue facing America, economically and strategically, during the next generation will be China.

China has been absent from the agenda on the campaign trail. In the debates, it was mentioned only in passing, chiefly by both McCain and Obama noting that the United States owes half a trillion dollars to the Chinese.

Much of this neglect is probably unavoidable; such is the nature of modern campaigns. The cable-television shows and most of the blogs don't do thoughtful.

Moreover, as Goodwin notes, some of the greatest presidents displayed similar gaps before getting to the White House. Abraham Lincoln was criticized for not speaking out more forcefully as the Union was dissolving before he assumed office. In 1932, Roosevelt, while calling for the bold experimentation he would undertake, also campaigned on a balanced budget.

There have been grand moments in this campaign, which, like other epic political contests - 1932, 1960 and 1980 - will be the stuff of conversation among our grandchildren. In 40 years of covering presidential races, never have I seen more eloquence or enthusiasm.

If, as most everyone expects, Obama wins, the crucial turning point would have been mid-September, when the financial crisis really began to be felt. This was a momentous event, and he chose not to pander to the passions of the bloviators and sound-bite merchants. He was calm, confident, measured, thoughtful. It was what a scared electorate wanted.

Toss in a dollop of inspiration, and he will need all of this in the times ahead.

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