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A 3D printer that can produce complex systems of bendy and rigid materials, such as a robotic hand or an artificial heart, could be used to make more lifelike robots. Robert Katzschmann at the Swiss Federal Institute of Technology in Zurich and his colleagues have developed a 3D printer that can produce systems with intricate mixtures of rigid and soft components using a similar technology to inkjet printers, by building up microscopically thin layers of up to four different plastics at once, each with unique properties. Unlike existing 3D printers, it uses cameras and lasers to ensure each layer is the correct thickness. They have used the printer to create biologically-inspired structures, such as a heart, a walking robot and a robotic hand with tendons and muscle-like features that can sense pressure changes and touch. – Learn more \u27a4 https://www.newscientist.com/article/2402933-3d-printed-robotic-hand-has-working-tendons-and-muscles/ Subscribe \u27a4 https://bit.ly/NSYTSUBS Get more from New Scientist: Official website: https://bit.ly/NSYTHP Facebook: https://bit.ly/NSYTFB Twitter: https://bit.ly/NSYTTW Instagram: https://bit.ly/NSYTINSTA LinkedIn: https://bit.ly/NSYTLIN About New Scientist: New Scientist was founded in 1956 for “all those interested in scientific discovery and its social consequences”. Today our website, videos, newsletters, app, podcast and print magazine cover the world’s most important, exciting and entertaining science news as well as asking the big-picture questions about life, the universe, and what it means to be human. New Scientist https://www.newscientist.com/