Engineering publications brought to you by Mark Allen

Materials

Researchers produce 'nano-ribbons' with mortar and pestle

US scientists create 'friction-free' material

Lens turns smartphone into a microscope

Liquid crystal based compound lenses work like insect eyes

Added value: the rise of multifunctional 3D printing

Diamond defect enables magnetic sensing breakthrough

Lightbulb moment for graphene

Mass production method could open up nano-fibre applications

Coating breakthrough holds promise for gold nanorod applications

Twin dilemma for strong but ductile metals

Chameleon-like material promises colour-shifting films for camouflage and displays

Scientists take step towards artificial leaves