Engineering publications brought to you by Mark Allen

Rugged cases protect equipment from knocks and bumps

Champagne solution beats the fizz

Self-cleaning filter ups machining performance

Overcoming the obstacles to innovation

Aluminium gearboxes drive lightweight US Army guns

Bearings guide giant optical telescope

Flat spring valves offer life of one billion cycles

Everything you could possibly want to know about PE

The truth about matrix converters

Toilet seat wins design accolade

Flexible polymer makes thinner cables

A shining example of engineering design collaboration