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shared by Iris Deters on 23 Nov 09 - Cached

Turns out particles, in this case the salt in the sea mist, will cause clouds to become denser, reflecting more sunlight back into space and keeping the planet cooler.
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The nove
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t crossed the Atlantic. The mist towers are hollow and rotate in the wind, acting as sails. It can cross the Atlantic faster than a conventional sail boat and do so without a crew.
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How it works: The idea here is to use satellite-guided sailing ships to crisscross the oceans, constantly spewing a fine stream of sea mist into the clouds
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Each ship would cost $2 or $3 million, making the entire program cost just a few billion dollars.
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shared by Iris Deters on 30 Oct 09 - Cached

real world experience and free learning resources on the web can do a pretty good job of showing you the ropes as well. Here are 100 free resources to help you hone your techie skills and learn more about the ever-changing world of technology.
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These courses offer you a chance to learn about everything from electrical engineering to the basics of computer science.
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Great Ideas in Theoretical Computer Science: This course offers a great introduction to the theories of computer science, from the beginnings of computer systems
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Topics in Theoretical Computer Science: Internet Research Problems: With so much being based around the web these days
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Iris Deters

k-12 teacher & school librarian