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The ‘tri-leaflet’ design of the artificial heart valve developed at University College London, UK. It is made from polyhedral oligomeric silsesquioxane

Nanocages for flexible heart valves

Materials World magazine
UK researchers have optimised a nanocomposite material to create less bulky and invasive artificial heart valves. They say this is particularly useful for children, as the material is said to be flexible enough to be implanted into the body using a catheter, rather than surgery.
Microcracks that have self-healed

Self-healing infrastructure

Materials World magazine
Researchers in the USA are engineering a concrete to repeatedly self-heal when it cracks. The aim is to limit the costs and environmental footprint of regular maintenance.
Concrete bridge

Slowing concrete creep

Materials World magazine
Low-cost and more durable nanoengineered concrete materials are the goal for researchers at MIT in the USA, through improved understanding of creep and how to minimise it.

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