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Satellites weigh California water
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Nasa satellites have weighed the water lost by the US State of California’s heartland since 2003.
The Sacramento and San Joaquin River Basins which support the highly productive Central Valley have shed over 30 cubic km of water in that time.
The data comes from the Grace mission which detects changes in gravity caused by [...]
P2P Traffic Control: Wireless Technology Could Reduce Congestion, Accidents
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Could a concept from information technology familiar to online file sharers be exploited to reduce road congestion and even traffic accidents? That is the question answered in the affirmative by researchers in California, writing in the International Journal of Vehicle Information and Communication Systems.
Trevor Harmon, James Marca, Pete Martini, and Raymond Klefstad of [...]










































