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OTTOTD 9-1-11 Playing God


Using a powerful laser, researchers have created water droplets in the air.

The technique, called laser-assisted water condensation, could one day unlock the secrets of weather cycles and enable humans to decide where and when it rains.



The new laser method is different because it uses natural humidity levels and atmospheric conditions to create water droplets.

Physicist Jerome Kasparian, of the University of Geneva, said: ‘The laser can run continuously, you can aim it well, and you don't disperse huge amounts of silver iodide in the atmosphere.


Following 133 hours of firing a beam of intense laser light which created nitric acid particles in the air it resulted in binding the water molecules together to create droplets.

Although it didn’t form into actual rainfall, scientists remain positive they can soon manipulate weather conditions and even prevent showers.

‘Maybe one day this could be a way to attenuate the monsoon or reduce flooding in certain areas,’ Kasparian added.

The idea of changing and controlling the weather is not new. In 1946 Vincent Schaefer developed the idea of cloud seeding, which is still used today.

He experimented with dry ice and a deep freeze to create supercooled water crystals.

In China, the government operates the largest cloud seeding system in the world to create rain over arid regions and even the capital Beijing.



This post was written by a member of the DRaysBay community and does not necessarily express the views or opinions of DRaysBay staff.

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