Cloud seeding: Making rain in desert by a naturalised process

It’s tempting to call them rainmakers, the people who whoosh up into the skies, inject salts into fluffy clouds and fly back down to the ground. Except they’re not rainmakers. In 2014, there were 193 flights that carried out ‘rain enhancing operations’. And so far in 2015, there have been 20 flights — all out […]

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