Latest Office of Energy Efficiency and Renewable Energy Stories

2012-06-15 14:52:47

NASA has released its fiscal year 2011 scorecard on sustainability and energy performance.

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'.