Engineering publications brought to you by Mark Allen

Technology

Hydrodynamic coupling locks at speed to avoid slip

Italians use more aluminium because they understand its advantages

Inverter drives key to wind benefits

New steel ideal for lightweight, rigid designs

Thyristor controller reduces harmonics

Cogging reduced by magnetic design

Advanced prosthetics go for gold

The key is re-using your knowledge

Enhance your skills for free

Gas dosing system sets new standards

Computers respond to mood and gestures

A beginner's guide to spring selection