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Water vapor, pressure, temperature and seeding are what it takes to make a cloud. Use a two-liter soda bottle, some warm water, a match, and some hand strength to become a rainmaker. It's all in the wrist. More »
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The top of China's "bird's nest" Olympic stadium is open to the elements, and therefore the government has ordered the Beijing Meteorological Bureau to make sure it won't rain during the games. The Bureau has already had some success preventing light rain, but heavy rain is harder to control. They'll use two different "seeding" techniques for dissipating droplets in frozen clouds, and dissipating warmer clouds before they start forming water droplets. Beijing's head of weather manipulation, Zhang Qian, explains how. More »
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A new article in Foreign Policy suggests that geoengineering (or weather engineering) may be part of the next high-tech battle strategy for troops who want a force multiplier. The article is an updated version of an essay by futurist Jamais Cascio. Others have already speculated about how the ability to control rain systems and pull down lightening may be the future of warfare. In fact, all the technologies to do this already exist. But Cascio thinks forced ecosystem imbalances may be the weapon of choice for offensive geoengineers. More »
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Some Harvard scientists suggest that we could turn back the clock on global warming by sucking CO2 out of the air and de-acidifying the oceans. More »
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