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Probing Question: Are we running out of helium?

Party planners, take note: the atmosphere may become a little deflated at gala events in the future. Some scientists are sounding the alarm about the wastefulness of using helium—a rare, non-renewable gas—to fill party ...

dateApr 26, 2013 in Earth Sciences
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NASA tests deep space J-2X rocket engine

( -- NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture that will once ...

dateSep 29, 2011 in Space Exploration
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Hypergravity helping aircraft fly further

(—ESA research has helped to develop an aircraft-grade alloy that is twice as light as conventional nickel superalloys while offering equally good properties. The path to creating this alloy required research under ...

dateNov 06, 2012 in Engineering
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Exploring the universe with nuclear power

In the past four decades, NASA and other space agencies from around the world have accomplished some amazing feats. Together, they have sent manned missions to the Moon, explored Mars, mapped Venus and Mercury, conducted ...

dateFeb 02, 2015 in Space Exploration
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