China hasan awful smog problem , which means its cities smell , are hard to breathe in , and , in the most unfortunate extreme , give tiddler cancer . But its federal agency desire that it may have find a solution , in theform of artificial rain .
Blue skies in China can only appear on screens because of the smog
According tolocal news news report , the China Meteorological Administration is planning to allow local weather condition authorities touse cloud seedingto make rain — which should in plough clean the smog . Or so they hope .
https://gizmodo.com/the-rainmakers-how-human-beings-control-the-weather-707081383
Part of a $ 277 billion investment to tackle the trouble , the enterprise will go live in 2015,according to leaked documents . But while we’velong been able to create manmade rain , just how effective will it be at clearing smog?New Scientist ponders that oppugn :
The proficiency the Chinese function involves firing rockets carrying a loading of silver iodide particles into the clouds . Ice crystals then take shape from super - cooled fluid water in the clouds , using the particles as nucleation points . The quartz glass return as rain or snow depending on the temperature below . The idea is that the artificial hurry should top the smog below … [ But ] smog is made of particulates of soot and dust , which should already have act as trash nuclei . If it has n’t rained already … then total more particulates in the shape of silver iodide wo n’t avail .
So , it might sound like a great approximation , but it remains to be seen whether or not it will work in practice . Here ’s hoping , for all those that survive in China ’s smogginess - ridden cities , that it at least facilitate a little . [ New Scientist ]
double via Getty
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