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2012-03-15 07:41:33

A sub-scale solid rocket motor designed to mimic NASA's Space Launch System, or SLS, booster design successfully was tested today by engineers at NASA's Marshall Space Flight Center in Huntsville, Ala. The 20-second firing tested new insulation materials on the 24-inch-diameter, 109-inch-long motor. The motor is a scaled down, low-cost replica of the solid rocket motors that will boost SLS off the launch pad. Marshall is leading the design and development of the SLS on behalf of the...

2012-02-15 04:04:39

NASA's Marshall Space Flight Center in Huntsville, Ala., has issued a NASA Research Announcement for the Space Launch System (SLS) Advanced Booster risk-reduction effort. NASA is looking for an advanced booster concept with the goal of reducing risk in the areas of affordability, reliability and performance. Proposals will identify and mitigate liquid or solid booster technical risks and provide related hardware demonstrations, as well as identify high-risk areas associated with adaptation...


Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'