Throughout history, many people and cultures had different rituals that attempted to control rainfall and even the weather in general. Sacrifices were made, statues were worshipped, etc. In more modern times, people have come up with different inventions that also attempt to control rain. China widely practices "cloud seeding", where they launch pellets containing silver iodide into clouds. Silver iodide is believed to concentrate moisture, thus causing rain. This was used in the 2008 Beijing Olympics to force clouds to drop their rain before reaching the city.
On a day like today in Chicago, I would be more then happy to launch some silver iodide pellets at those dark clouds that are causing all the rain. Hopefully forcing the clouds to drop their rain over the lake instead of over our heads. I'm sure many people would agree with me, especially after having their tattered umbrellas end up in the garbage. I haven't researched the effects that silver iodide has on the environment but it would be nice to think that we could control the clouds, at least until we arrive to work.
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