A method that helps cloud precipitation and relieve droughts

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A team of Chinese scientists said that low-frequency sound waves directed at the cloud could help increase precipitation and ease droughts in dry areas, as researchers from Tsinghua University in Beijing sounded clouds using a frequency of about 50 hertz at 160 dB.

According to the British newspaper “Daily Mail”, Professor Wang Guangqian, a researcher of the study, said that the sound waves excite the cloud and shake it, and this leads to a greater probability of colliding water particles and collecting them together, which leads to the formation of larger drops and a greater chance of rain.

The team discovered that there were many more water droplets in the cloud after they fired their device, and made a loud sound like the sound of a jet engine running.

Wang and colleagues believe this technology could bring new and greater levels of rain to regions of the world suffering from drought.

Also, while experimenting with weather manipulation using sound wave technology on the Tibetan plateau in 2020, they recorded a 17% increase in precipitation.

China has about 20 trillion tons of water vapor in the atmosphere, but only 20% falls as natural rain on Earth, and at uneven rates across the country.

The amount that falls as rain in the western regions is even less than the national average of 20%, Wang said, which inspired him to search for this method of creating rain.

In a research paper published in the journal Scientia Seneca Technology, the team said acoustic power technology is changing the physics of the cloud, adding that future versions can be developed even remotely controlled at a very low cost, making them more applicable in remote and inaccessible areas.



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