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Cool student . practical person luv 2 make friends ... I graduated BE in Electronics& Instrumentation . . Actually im an entertainment adict love to watch more movies again and again also love to hear songs .

Monday, February 28, 2011

Free calls by google

Most of our communication needs seem to be on a flat rate these days and one or two more phone calls on your cell may not matter. However, there is a certain appeal to free phone calls and if you want to call a landline from your PC without having to pay for a soft phone service, you can do that now. Right from your Gmail account.
Google launched this new feature earlier today as a pilot and said that landline calling in the U.S. will remain free until at least the end of the year. Skype currently offers such a service for $7.99 per month. Google offers international calling as well, but charges extra fees – for example. 12 cents per minute to Algeria, 2 cents per minute to Australia or 4 cents per minute to Russia.
We had a quick chance to test the feature and found it to work like any other softphone service. The convenience feature here is that you can use it right out of Gmail and manage your call history and account as well. While it is clear that Google may charge for the service at some point, we wonder if this effectively devalues landline calling?
Google said it will be rolling out the feature to all Gmail users over the next few days.
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Friday, February 25, 2011

Top 10 Mysteries of SPACE

Simulacrum in Eagle Nebula
Hubble J
One of the strangest photos that has ever been taken of space is that of the Eagle Nebula. The photo itself is supposed to show the birth of a star from the gaseous clouds. However, when the photo was shown on CNN, hundreds of calls came in from people reporting they could see a face in the cloud. When the color of the photo was adjusted, a large human form seemed to appear within the cloud. Scientist have not been able to explain this phenomena (though listverse very possible has on this list – see item 1). You can read more about it here.

Where did galaxies come from?
Science has only recently been able to explain where the stars and planets came from. Now, scientists have turned their attention to a much bigger mystery, where did galaxies come from? What is known is that galaxies are not scattered randomly throughout space, rather they are found in clusters, known as “super clusters”. Scientists have two main theories to attempt to explain galaxy formation. First, the gas left over from the big bang clustered together to form galaxies, in which stars and planets were born. Second is that gas from the big bang created stars and planets all over the universe, and they migrated through gravity into galaxies. Neither theory has been universally accepted yet.

Other Earths
090421-Most-Earthlike-Planet Big
Our star, the sun, is just one of trillions in the universe. When you look at the fact that our star has eight planets, and do the math, it tells you that it is possible for there to be eight times as many planets in the universe than stars; an astounding figure. Is it not possible that just one of those planets might have life on it? It is a fact that, since the year 2000, hundreds of extra solar planets have been discovered orbiting distant stars. Some of these have found to be earth- like, such as the planet Gliese 581d, a planet believed to have liquid water on its surface. Could it possibly contain life? Hopefully with advances in technology in the next decade, we will soon know the answer. Till then, it remains one of space’s greatest mysteries.

Are there Other Universes?
Space Fiction Close Comet 1 - 1024X768
This is one of the more controversial arguments out there. The theory is that there are an infinite number of universes, each which is governed by its own set of laws and physics. Many scientists dismiss this argument as nothing more than speculation, as there is no evidence or mathematical law that allows for the existence of other universes. However, believers in this theory have argued that there are none that disprove it either. This is one mystery which can only be solved if we were able to travel there, however, with the expansion of the universe, it is unlikely humanity will ever find the answer.

Dark Matter
Albert Einstein’s equation E = MC^2 is perhaps the best known equation of the century. However when applied to space, an anomaly occurs. When we use it to determine how much matter the universe should have, we realize that we have only found four percent of the matter in the universe! Where is the rest of it? Many believe it is in the form of dark matter. Where is this dark matter? It’s everywhere,  wherever there is no visible matter. Scientists have yet to show any conclusive proof that dark matter does in fact exist. The fact that you can’t see it, touch it, and light and radio waves pass right through it undeterred makes it extremely hard to detect.

Mars/Earth Connection
When talking about life on other planets, some say we need go no further than our own solar system. Mars has always been thought to harbor life by many conspiracy theorists, saying that NASA is covering it up. Many photos have also called into question civilization on Mars, such as the face on Mars, Pyramids on Mars, and photo of what appears to be an ape like figure sitting on a rock on Mars. While scientists have come out to debunk these photos, they have also admitted that they believe liquid oceans once covered the surface of Mars before its magnetic field disappeared. Is it possible that life did indeed once exist? The current missions to Mars hopes to answer this question.

UFO sightings by NASA Astronauts
NASA Astronauts are some of the most highly trained and specialized people in the world. Often they are expert scientists that can explain almost anything. So when they see something they can’t explain, you can bet it is going to raise eyebrows. One of the most famous incidents occurred on a live broadcast on NBC in 1963. Major Gordon Cooper was at the end of his 22 orbit solo journey around the earth when he said that out of one of his windows he could see a glowing green object fast approaching. The object then made a sharp turn and shot away. He was sure he was not seeing things, as the radar in his spacecraft picked up the object as well. Upon his return to earth interviewers wanted to ask him about the object, however NASA officials would not allow it. You can read about this and other Astronaut sightings at this web site.

“White” Holes
One of Albert Einstein’s greatest accomplishments was the proving, though mathematics, the existence of black holes. From the advances in technology, we now have been able to find several black holes, and believe one to be at the center of our very own Milky Way galaxy. What is astonishing, however, is what Einstein also proved through his equations;  white holes also exist. The exact opposite of black holes, white holes are believed to “spit out” an incredible amount of matter from seemingly nothing. Such an object should  be easy to find, yet none have been. If one was found, it may help us explain other unknown mysteries, such as where the material that made the galaxies came from.

Ruins on Moon
In this list we have discussed the possibility of life on distant planets, and in near planets. But could it possibly at one time have been as close as the moon? This conspiracy theory states that there are indeed ancient ruins and buildings on the moon, but the government has been censoring them from the public. This theory had no backing until two recent breakthroughs. A man who claims to have worked for the government censoring moon photos came forward with several, explaining how the censorship was done and that indeed there were structures on the moon. More recently, scientist announced they believe they have discovered water, possibly in ice or liquid form, under the surface of the moon. For conspiracy theorists, this was all the proof they needed, while critics dismiss it as “ridiculous speculation”. You can read more about this, and watch a fascinating video, here.

Dark Energy
Dark energy is the greatest mystery in the universe today, because of the fact that it is believed to be all around us, and it explains why there seems to be anomalies within the law of gravity. By the law of gravity, large objects, like galaxy clusters, should attract each other, and their gravitational pull should pull in other objects. This however, is not the case, and the fact is most galaxy clusters are moving farther apart. This is due to the fact that the universe is expanding at an incredible rate. To answer the question of why this is, scientists developed the theory of Dark Energy, which has the opposite effect as gravity, pushing things apart. Mathematical calculations have shown that if it exists, it makes up 74% of our universe, outweighing gravity, and this is why the universe is stretching out. However we still have no conclusive proof, so it remains a mystery to us.

Tuesday, February 22, 2011

World's Popular Pits

Nature never stops to amaze us with its magnificent phenomenon just like these inexplicable holes in the ground. I bet that these holes make an excellent tourist attraction. Check out these unreal photographs and location descriptions of 9 of world’s most famous pits and sinkholes. (Courtesy of National Geographic)

1. Lisbon, Portugal, Sinkhole

World Famous Pits and Sinkholes
A parked bus was the unfortunate “meal” of a sinkhole that opened up in the streets of Lisbon, Portugal, in 2003.
“Anything that increases the flow of water into subsurface soil can speed up the formation of sinkholes’” ,Missouri State’s Gouzie said. In many cities, utility infrastructure such as sewer lines and fiber optic cables are buried in troughs filled with loose material, which can wash away over time. In some cases, a stretch of road can essentially become a concrete bridge over mostly empty space.
“It’s eventually not enough to hold the weight of the next truck over it,” Gouzie said.

2. Guatemala Sinkhole

World Famous Pits and Sinkholes
World Famous Pits and Sinkholes
Heavy rains from tropical storm Agatha likely triggered the collapse of a huge sinkhole in Guatemala on Sunday, seen above a few days afterward.
In the strictly geologic use of the word, a sinkhole happens when water erodes solid bedrock, carving an underground cavity that can then collapse. Many parts of the United States are at risk for that type of event.
The Guatemala sinkhole fits into a broader use of the term, which refers to any sudden slump of the ground’s surface. Instead of solid bedrock, much of Guatemala City rests atop a layer of loose, gravelly volcanic pumice that is hundreds of feet thick. And at least one geologist says leaking pipes—not nature—created the recent sinkhole.
Overall, the risk for repeat sinkholes in Guatemala City is high—but highly unpredictable.

3. Winter Park, Florida, Sinkhole

World Famous Pits and Sinkholes
he sinkhole in Winter Park, Florida (map), opened up in 1981 underneath the city’s public swimming pool, Missouri State’s Gouzie said.
“I’ve never seen a final report as to whether the pool was leaking,” he said, adding that water can flow into the underlying soil through tiny cracks in the bottom of a pool. Even watering plants at the pool’s perimeter could have sent enough runoff through Florida’s sandy soil to erode the solid limestone underneath.
Gouzie said the U.S. Geological Survey has mapped the types of bedrock that exist across the country. But studies of the underground cracks and fissures—and the way water travels through them—are still needed to predict where sinkholes could occur.

4. Mulberry, Florida, Sinkhole

World Famous Pits and Sinkholes
This 185-foot-deep (56-meter-deep) sinkhole appeared in 1994 in Mulberry, Florida (map), in a pile of waste material dumped by mining company IMC-Agrico. The company was mining rock to extract phosphate, a main ingredient in fertilizers and a chemical used to produce phosphoric acid, added to enhance the taste of soda and various food items.
After phosphate was extracted from the rocks, the gypsum-based waste product was dumped as a slurry. As layer after layer of the stuff dried, it formed cracks, like those that appear in dried mud. Water later made its way through the cracks and carried away subsurface material, setting the stage for a sinkhole.

5. Blue Hole, Belize

World Famous Pits and Sinkholes
Sinkholes can happen anywhere water can erode a vertical channel that connects to a horizontal drain, a situation that allows a column of solid material to wash away, Missouri State’s Gouzie explained.
If the sinkhole is near the sea—or in the sea, as with the famous Blue Hole in Lighthouse Reef off the coast of Belize—seawater can quickly seep in after a collapse, forming a deep pool.

6. Picher, Oklahoma, Sinkhole

World Famous Pits and Sinkholes
Years of mining for zinc and lead has left Picher, Oklahoma, near the border with Kansas, literally full of holes—including this sinkhole seen in 2008. Some mines were dug too close to the surface, and the roofs were unable to support the weight of earth on top, leading to collapses.
“It has happened in Missouri and in western Pennsylvania from coal mining,” Missouri State’s Gouzie said. “We’ve gotten better with buidlng mines so the roofs can support the weight over top of them.”

7. Iceland Sinkhole

World Famous Pits and Sinkholes
Adventure kayaker Mick Coyne lowers himself down the wall of a sinkhole toward the headwaters of the Jokulsa, Iceland’s second longest river. Though the river is fed by melt from a glacier, this 150-foot (45-meter), inverted funnel-shaped hole was blasted into being by rising steam from geothermal vents below.

8. Ik-Kil Cenote, Mexico

World Famous Pits and Sinkholes
Swimmers float in the saphirre waters of the Ik-Kil cenote, near the Maya site of Chichén Itzá in Mexico’s Yucatán Peninsula. Cenote means “natural well” in Spanish. Sinkholes occurring at sea level will fill up as high as the water table, creating the famous clear blue pools, used by the Maya royalty for both relaxation and ritual sacrifices.

9. Neversink Pit, Alabama

World Famous Pits and Sinkholes
Neversink Pit, a wet limestone sinkhole in Alabama seen above in 1998, is about 50 feet (15 meters) deep and houses a rare species of fern. The sinkhole was bought in the 1990s by a group of cavers to preserve it for future generations.
Karst is the geologic term for landscapes formed mainly by the dissolving of limestone or dolomite bedrock. In the United States, karst underlies parts of Missouri, Arkansas, Kentucky, Tennessee, northern Alabama, Texas, and most of Florida. Such areas are marked by sinking streams, subterranean drainage, large springs, caves—and, of course, sinkholes.