Education News Archive - January 22, 2007
By Martha Deller, Fort Worth Star-Telegram, Texas Jan. 22--The Aledo school district is using mobile computer labs to teach students a variety of subjects.
By John Reid Blackwell, Richmond Times-Dispatch Jan. 22--The staff at University Instructors Inc. has a low-tech way of keeping track of business growth.
- 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.