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2011-04-12 12:50:00

On April 12, 1981, 20 years after Yuri Gagarin became the first human to reach space, NASA embarked on a new journey that would pave the way for space travel for three decades.


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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