15/06/2012

Test of spare wheel puts Orbiter on path to recovery

(Phys.org) -- In a step toward returning NASA's Mars Odyssey orbiter to full service, mission controllers have tested a spare reaction wheel on the spacecraft for potential use with two other reaction wheels in adjusting ...

Carbon emissions: U.S. fares better when considering climate

(Phys.org) -- The U.S. has long been among the world's worst emitters of carbon dioxide, but when accounting for climate in addition to GDP, it is nowhere near the bottom of that list, according to University of Michigan ...

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