Engineering publications brought to you by Mark Allen

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The Renishaw technique puts the drug on the other side of the blood-brain barrier

Renishaw's Sir David McMurtry and Geoff McFarland

'Atomic cage' material converts waste heat to electricity

UK technique gives 3D view of nerve activity

'Frugal' medical devices set to help developing countries

Charm offensive

Seawater magnesium process promises cheaper lightweight metals

Lightspeed champion?

Fusion: the optimist's choice

Handheld device finds early signs of osteoporosis

Smartphone attachment detects viruses and bacteria

Graphene is key to fast light-to-current converter

Wireless system provides 'ambient' health monitoring of elderly