For centuries, the fast-growing balsa tree has been prized for its light weight and stiffness relative to density. But balsa wood is expensive and natural variations in the grain can be an impediment ...

Materials scientists at Harvard University have created lightweight cellular composites via 3D printing. These fibre-reinforced epoxy composites mimic the structure and performance of balsa wood.

(Nanowerk News) In wind farms across North America and Europe, sleek turbines equipped with state-of-the-art technology convert wind energy into electric power. But tucked inside the blades of these ...