Beijing, September 1st news, the British are particularly obsessed with the weather, especially rain clouds. Now scientists intend to use powerful lasers to fulfill their rainfall wishes. Swiss researchers have used lasers to generate water droplets in the air.
This technology, called laser-assisted condensate, will one day uncover the secrets of the weather cycle and allow humans to decide where and when it rains. Although "artificial rainfall" has existed for a long time, it is not considered a safe method for creating rain clouds, because it needs to spread particles such as dry ice and silver iodide into the atmosphere. That is to say, although this method can form rainfall, the artificially spread chemicals often spread far away and may cause damage to the environment.
However, this new laser technology is different because it uses inherent humidity levels and atmospheric conditions to create droplets. The physicist Jerome Casparion of the University of Geneva said: "The laser can be continuously fired, and it is very targeted, and it does not need to broadcast a large amount of silver iodide into the atmosphere. In addition, you can turn the laser on and off at will, and more It is easy to assess whether it is effective. When the Chinese launch silver iodide into the air, it is not clear whether it will rain. "
After the researchers made this huge mobile laser, they demonstrated the technology on the banks of the Rhone River near Lake Geneva. After 133 hours of intense laser beam emission, nitric acid particles are formed in the air, and these particles will condense water molecules together to form raindrops. Although this effort did not produce rain, scientists are still optimistic about it, thinking that they will soon be able to control the weather and even prevent showers.
Casparian said: "Maybe the technology will one day be used to weaken the monsoon rain and reduce the occurrence of flooding in specific areas." The idea of ​​changing and controlling the weather has a long history. In 1946, Vincent Schaefer proposed the idea of ​​artificial rainfall, and we still use this method to this day. He experimented with dry ice to create an icy environment, producing ultra-cold water crystals. The Chinese government controls the world's largest artificial rainfall system. It performs artificial rainfall in arid regions and even the capital Beijing.
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