Engineering publications brought to you by Mark Allen

Technology

Wobble yoke and Stirling engine are key to reliable, green CHP system

Tip driven propellor system needs no drive shaft or gearbox

Motorsport aerodynamics saves precious fuel for truckers

Printed posts secure large plastic LCDs

Workstation integrates CAD screen with adjustable workin

Titanium nitride gives surgeons enhanced biocompatibility

Aluminium beam air bearing costs a fifth of granite system

Linear motion gets double act

Dental bearing ups device life by four

Check valve ideal for medical luer adaptors

Geared motor gives precise motion on X-ray scanner

Active latch locks motion with tiny power