Quantcast

Richard Mastracchio Reference Libraries

Page 1 of about 1 Articles
Stephanie Wilson
2012-10-29 14:17:00

Stephanie Wilson is an American engineer, a NASA astronaut, and the second African American woman to go into space. She was born Stephanie Diana Wilson on September 27, 1966 in Boston, Massachusetts. An astronomy professor she interviewed during middle school became her first inspiration to pursue a career in space. She graduated from Taconic High School in Pittsfield, Massachusetts in 1984,...

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'.
Related