Latest Jim Reilly Stories
From pieces of history to articles of pop culture, the assortment of items astronauts have taken with them into space is as varied as the world the artifacts represent.
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'.