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2012-09-26 07:51:45

NASA Administrator Charles Bolden announced three changes to his senior leadership team Tuesday.

2012-02-22 04:37:35

NASA Administrator Charles Bolden announced Tuesday changes to his senior leadership team.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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