Friday, 16 September 2011

Scientists produce laser rain

Scientists have discovered a way to using giant lasers produce rain. The process, called laser condensation water could one day lead to deciphering the secrets of weather cycles and enable people to master the weather.

For some time in the world-known technique of "sowing the cloud," but it is not considered a safe way to create rain clouds filling the atmosphere because it requires the particles of dry ice and silver iodide.

When the formation of raindrops this usually lead to a widespread expulsion of chemicals and potential threats to the environment. The new laser method is different because it uses natural layers of moisture and atmospheric conditions for the production of rainfall.

Physicist Jerome Kasparijan the University of Geneva, said that the laser can operate continuously without a good line up if there is no dispersion of silver iodide large amounts in the atmosphere.

"Laser can be turned on and off at will. It's much easier to monitor its effectiveness. When the Chinese fired silver iodide into the sky it is difficult to assess whether the rain fell surely," he said.

Researchers have demonstrated a new technique on the banks of Rhone, near Lake Geneva, where they set up a giant moving laser. After 133 hours of firing a laser beam that is produced by nitric acid particles in the air lead to the development of raindrops.

Although there was no real rain, scientists are optimistic and believe that it will soon be able to control the weather, and even to prevent the downpours. "Maybe this will one day be a way to mitigate in some areas and reduce the monsoon floods," said Kasparijan.

The idea of ​​change and weather control is not new. In 1946, an American chemist and meteorologist Vincent Schaefer has developed a technique of sowing clouds, which is still applied.

In China, the government operates the largest system in the world, sowing the clouds to cause rain over the dry areas, and even in the capital Beijing.

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