A nozzle squeezes out a stream of molten plastic, ceramic, steel or even cells—layers and layers of which stack up, one after the other. Every layer laid down must wait for the last to dry before the next is begun. Patience is a virtue, and these machines are virtuous. 3D[Read More…]
Tag: mechanical engineering
From benchtop to bedside: How tendon-inspired sutures can help heal wounds
Sutures, the threads designed to close wounds and promote healing, have been used for thousands of years, having originated in ancient Egypt. Since their invention, physicians and scientists have experimented with a wide array of materials, from hemp and cotton to more modern synthetic fibres. New techniques have been developed[Read More…]