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Downloadable Video, 2014
Current format, Downloadable Video, 2014, , All copies in use.
Downloadable Video, 2014
Current format, Downloadable Video, 2014, , All copies in use. Offered in 0 more formats
Hundreds of years ago, Native Americans performed ceremonial dances in hopes of triggering much-needed rainstorms. Now, optics researchers are working on a way to use lasers to change the weather.
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