General News Archive - November 06, 2007
With the mission finally coming to a close, Discovery's commander acknowledged Tuesday she was "extremely concerned" about the safety of the spacewalker who went out to fix the space station's ripped solar wing.
Word of the Day
- 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'.