Engineering publications brought to you by Mark Allen

Technology

Thin bronze strips make light barriers

Encoder offers high speed and efficiency

Tumbling magnet generates extra power

Fine fume particles held in electrostatic labyrinth

A solid range of future technologies

New package gives 1.5 axis servo control in minutes

Miniature drive solves vending problem

A patented system for valve emissions control

Special guides for special applications

Boxes retain cabling without fasteners

Miniature linear guides key to machine downsizing

Mars probe gets the max on its motors