
SpaceX's Dragon cargo ship splashes down in Pacific
SpaceX's Dragon cargo spacecraft splashed down in the Pacific Ocean at 11:47 a.m. EDT Friday, Aug. 26, southwest of Baja California with more than 3,000 pounds of NASA cargo, science and technology demonstration samples from the International Space Station. The Dragon spacecraft will be taken by ship to a port near Los Angeles, where some cargo will be removed and returned to NASA immediately. Dragon then will be prepared for a return trip to SpaceX's test facility in McGregor, Texas, for processing. ... more
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Scientists test upper limits of electron speed
The fastest electronic devices currently send information at speeds of several gigahertz, a billion oscillations per second. Some fiber-optic cables feature frequencies approaching a terahertz, a thousand billion oscillations. ... more
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Study: Only larger stars boast gas-rich disks
Recent observations made by Atacama Large Millimeter/submillimeter Array, ALMA, suggest larger stars host significant carbon monoxide gas reservoirs. ALMA astronomers were surprised by the finding. ... more
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