Monday, April 26, 2010

10 Deepest Lakes on Earth

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Image via Flickr User Sniggity

Have you ever swam out in a deep lake and not been able to see the bottom? All you can feel is the freezing cold water beneath your feet, all you see is darkness extending to infinity.

There is nothing wrong with being afraid of deep water even if you're the best swimmer in the world, but when you add some fantasy to the story and consider the legends and mysteries that lie underneath the murky depths, fear can eat you alive.

As with any lake, depths fluctuate with climate and in particular rainfall. Notwithstanding this, today we’ll explore the top ten deepest lakes in the world and the stories and legends behind them. 10. Lake Matano

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With a tectonic origin and located in South Sulawesi in Indonesia, LakeMatano is an important freshwater resource in the area and the country's deepest lake, with a maximum depth of 1936 feet. It drains from PateaRiver and later flows through a waterfall into LakeMahalona (the MaliliLakes).LakeMatana is famous for its extremely clear waters and the many endemic fish species which have arisen from a single ancestor diversified over time.9. Crater Lake

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With a violent volcanic past, the caldera lake in the Crater Lake National Park, Oregon, is a place of immeasurable beauty. Surrounding cliffs of up to two thousand feet high, two small islands and spectacular blue water, make this “outdoor laboratory” the perfect place for photographers.

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Crater lake is the deepest lake in the United States with a maximum depth of 1949 feet. It may also have one of the purest water, in North America, (in terms of absence of pollutants) thanks to the generous amounts of winter snow that supplies it with water.

It was created when MountMazama (12,000 feet high) collapsed 7,700 years ago following a large eruption, but the legend has more details. The Klamath Indian tribe talks about a raging war between Llao, the spirit of the Below-World who lived in MountMazama, and Skell the spirit of the Above-World.

Llao felt in love with Loha, daughter of the Klamath Indian chief, but got rejected and decided to punish humans with the curse of fire. Skell came in to help and after a long battle he managed to defeat Llao, whom he imprisoned deep down into the Under-World, collapsing the top of the MountMazama over. At last he wanted peace and decided to cover the pit with magnificent blue water.8. Great Slave Lake

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Also known as the Grand lac des Esclaves after the Slavey North American Indians, it covers 11,000 sq miles in the Northwest Territories of Canada and goes down to 2,015 feet which makes it the deepest lake in North America. Because of the low temperatures in the area, for about eight months of the year, the lake is at least partially frozen, while during winter, the ice is so thick that trailer trucks can pass through.

There is currently no physical evidence to suggest that an unidentified large creature is living in the Great Slave Lake, but many people traveling to the lake have said otherwise. Some talk about a large hump in the water, usually mistaken for a rock until it submerges, or an alligator-like body, with a head like that of a pike.

From his house, a Roman Catholic priest even saw a large dragon-headed creature that rose six to eight feet above the water and moved rapidly on the shores of the lake. The creature was subsequently named Ol’Slavey.7. Issyk Kul Lake

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In the Republic of Kyrgyzstan, the northern Tian Shan mountains, Issyk Kul is an endorheic saline water lake that was supposed to be an ancient metropolis, 2,500 years ago. The average water depth is 1,000 feet while the deepest point goes down to 2,192 feet.

According to the legend, during pre-Islamic times, the king of the Ossounes had donkey's ears. He managed to hide them however, by killing all his barbers to make sure the secret wouldn't leak out, yet one day, one of the barbers escaped and yelled the secret into a well and left it uncovered, which caused water to rise and flood the kingdom.

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It would be interesting to explore the truths behind this story, as archaeological finds indicated the presence of an advanced ancient civilization where the the Issyk Kul lake is currently located.6. Lake Malawi

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Also known as Lake Nyasa, Lake Malawi is the most southern lake in the East African Rift valley system, located between Malawi, Mozambique, and Tanzania. At 2,316 feet deep, it's the second deepest lake in Africa and thanks to the tropical waters it has more fish species than any other lake on Earth.

Researchers have studied sediments from core samples of Lake Malawi, which revealed that 100,000 years ago, water levels dropped to about 2,000 feet, turning the land around the lake into semi-desert and arid scrubland habitat. According to some, this may be why early man fled from Africa to colonize other parts of the world.5. O'Higgins/San Martín Lake

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Located in Patagonia, between the Aysén Region and the Santa CruzProvince, the lake is called O'Higgins in Chile and San Martin in Argentina. It is the deepest lake in the Americas with a maximum depth of 2,742 feet (measured near the O'Higgins Glacier). The lake is very irregular consisting of eight well-defined arms with milky light-blue water coming from the suspended rock flour.

The lake is named after South American heroes José de San Martín of Argentina and Bernardo O'Higgins of Chile, who fought together for the liberation of Chile.4. Lake Vostok

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Out of the 140 sub-glacial lakes on earth, Vostok is the largest and the deepest, with a maximum depth of 2,950 feet. Beneath Russia's Vostok Station, 13,000 feet under the surface of the central Antarctic ice sheet, may be the most unspoiled lake on Earth. British and Russian scientists only discovered it in 1996.

The average water temperature is -3 °C and the reason why it is still liquid below freezing is the high pressure from the weight of the ice above it.

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Scientists also discovered that the ice core may be 420,000 years old, meaning that the lake could have been sealed for over 500,000 years and the water beneath could be doubly as old.

So far there isn’t any proof of life in LakeVostok. Notwithstanding this, in case there are species living beneath the murky depths, they are most likely to have evolved special features in order to survive the lake's oxygen-rich environment.3. Caspian Sea

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Between the southern areas of the Russian Federation and northern Iran, lies the largest enclosed body of water on Earth. It's an endorheic lake with salty water (salinity of approximately 1.2%) that was landlocked due to continental drift 5.5 million years ago. An ancient remnant of the TethysOcean, (just like the Black Sea or the Mediterranean Sea) it is the third deepest lake in the world going down to 3,363 feet.

Fauna in the Caspian basin is very rich: great numbers of sturgeon (that's where you get the great caviar), the Caspian seal and some fish endemic to the Caspian Sea like the Kkturn (Caspian white fish), Caspian roach, Caspian bream and an array of rare species of salmon only to be found in that area.

The Caspian Sea is very rich in energy resources like oil and gas deposits, which have been tapped since the 10th century. These days, the oil in the Caspian basin is supposed to be worth $12 trillion.2. Tanganyika Lake

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Divided between Burundi, the Democratic Republic of the Congo (45%), Tanzania (41%) and Zambia, Tanganyika is the deepest fresh water lake in Africa and the second in the world with a maximum depth of 4,823 feet. The lake was "mistakenly" discovered in 1858 by two British explorers, Richard Burton and John Speke, in their quest to find the Nile's source.

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A recent story on National Georgraphic talks about a cold-blooded serial killer on the shores of Lake Tanganyika. Called Gustave, it was a 20 feet long crocodile that weighted 2,000 pounds and was responsible for killing hundreds of people.1. Lake Baikal

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Also known as the "blue eye of Siberia", lakeBaikal is located in Southern Siberia near R near the Russo-Mongolian border. Famous for being the deepest lake in the world with a maximum depth of 5,369 feet it holds a volume of water larger than that of all the great lakes combined.LakeBaikal is a great eco-system where more than 1,700 species of flora and fauna live; two thirds of them only to be found here. Completely surrounded by steep mountains and dense forests, the lake has an estimated age of 25-30 million years, making it one of the most ancient lakes in geological history.

However, this enormous water formation may harbor a mystery of immense proportions: a gigantic animal, either of sturgeon-like appearance or a rogue sea serpent; Baikal’s very own Loch Ness Monster. No one can tell for sure if the legend is true or not, but the creature exists in people's minds and haunts their thoughts.

If you know of any other deep lakes worth exploring, please drop us a line in the comments.

When milk splashes water

When milk splashes water

The highest tennis court in the world

 Tennis Court Height Building Hotel Dubai Burj Arab

Burj Al Arab - one of the world's most luxurious hotels - aside from all the mystique and wealth it's known for, also has the highest tennis court in the world. Its space, located at 210 metres of altitude can also become a heliport for emergency landings or guest traffic


Read more: http://obviousmag.org/en/archives/2008/10/the_highest_tennis_court_in_the_world.html#ixzz0mE204PvM

Cancun to Host World’s Largest Underwater Museum

Have you ever visited underwater museum? I have to admit that this idea sounds very nice and exciting. Cancun authorities certainly do know that and they decided to build there world’s largest underwater museum.

Underwater museum is going to be placed at the National Park West Coast of Isla Mujeres in Cancun. Cancun is already known as one of the most attractive touristic destinations of the world and when they get finished this museum they will become more attractive certainly.

This place is visited by more than 700,000 tourists every year. When museum is finished there will be about 400 different concrete sculptures placed in it.

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Top nine Tallest Buildings in the World

Top nine Tallest Buildings in the World

nine Oldest Building in the World:

1- Giza pyramids

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Today was LONG – because the Giza pyramids were shrouded in haze we started by driving to Sakkara to visit the step pyramid of Pharoah Zoser (Zozer the Zozerian, Zozer the Destroyer, Zozer the Traveler…*snicker* Sorry I couldn’t help myself). The step pyramid is the oldest of the pyramids in Egypt and according to our egyptologist, the oldest standing building in the world. Period.

2- Ggantija oldest building in the world

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3- the Pantheon

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The impact of the Caesars on Rome can still be seen today, and the Caesars by Twilight Tour explores the remains of the Roman Empire in the best light possible: sunset. We start at the Pantheon, the oldest building in the world still in use, while the sun is low in the sky. The tour continues on to Largo Argentina, the true site of Julius Caesar’s infamous assassination! From there, the tour continues to the Capitoline Hill, the holiest of the seven hills and home to the bronze statue of the great philosopher/emperor Marcus Aurelius. Then admire the orange and purple hues of a Roman sunset from the temples of the Roman Forum. As the sun sets, we reach our final destination: the Colosseum all light up for night. If you have not experienced this (or even if you have), it is a memory that will last forever!
4-Astra House, Germany

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This one leg house is one of the oldest buildings in the world featuring rope ladders between each floor. Once being a brewery at present it is a modern residence of Astra beer with lifts instead of rope ladders.
5- Claims to be the Oldest building in the world

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6- Newgrange – The Irish Stonehenge

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7- Mnajdra temple ruins, Malta

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8- Goju-No-Tou(Five Storied Tower)

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The of of the oldest wooden building in the world.

9- Mnajdra is the sister temple of Hagar Qim the oldest freestanding building in the world

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Sunday, April 18, 2010

World's Largest Solar Power Tower Commissioned


Photo Credit: Abengoa Solar


Seville, Spain [RenewableEnergyWorld.com]

Abengoa Solar has begun commercial operations of the world's largest solar power tower plant, a 20 MW installation.

Santiago Seage, CEO of Abengoa Solar, said: "Generating more power during production testing than the design output is indeed a significant milestone."

The company claims that the performance of the power plant, the so-called PS20, has exceeded its design output in the wake of its three-day production and operational testing period.

Located at the Solúcar Platform, near Seville, Spain, PS20 is the world's second power tower plant in commercial use and features a number of significant technological improvements with respect to its predecessor, PS10. These enhancements include a higher-efficiency receiver, various improvements in the control and operational systems, and a better thermal energy storage system.

PS20 consists of a solar field made up of 1255 heliostats with a surface area of 1291 square feet each. This reflects the solar radiation it receives onto the receiver, located on the top of a 531 foot-high tower, producing steam which is converted into electricity generation by a turbine. Plant construction was carried out by Abener.

Santiago Seage, CEO of Abengoa Solar, said: "Generating more power during production testing than the design output is indeed a significant milestone.

World’s Largest LED Screen – Dubai’s Podium Tower

Podium Tower - World's Largest LED Screen (photo: Tameer)

Podium Tower - World's Largest LED Screen (photo: Tameer)

Imagine watching a football game on television. Now imagine the football field is your television. The Podium tower in Dubai will feature the world’s largest LED screen, a 100-meter monster that will virtually cover the façade of the 35-story structure.

The Podium tower will be located in the Majan area of Dubai. Its developer, Tameer Holding Investment, projects a 2011 completion for the structure that will house 33 floors of office space atop two levels of retail and restaurant space. According to GulfNews.com, the LED screen is being produced by US firm Daktronics, whose recent projects include the Grand Lisboa Hotel in Macau and the Argosy Casino in Missouri.

Podium's Glass LED Screen When Not In Use (photo: Tameer)

Podium's Glass LED Screen When Not In Use (photo: Tameer)

The LED screen itself will be constructed of a highly reflective, blue-tinted glass mounted on a curved aluminum frame. GulfNews states that the screen will not interfere with the light transmission into the building, so the offices on the front of the building will still enjoy full exterior views. Media displayed on the huge LED screen will be visible nearly a mile away.

Aside from the innovation of the media screen, an important aspect of the Podium tower is the overall efficiency of the structure. Despite the massive scale of the project, the Podium building will still have a LEED Silver certification.