The building blocks of the new materials are rods connected by small motors that make the material active. The interactions are non-reciprocal: when pressed from one side the system reacts in a different way than when pressed from the other side. Image by the research authors.
When the rods and motors are placed in a two-dimensional lattice, the structure behave differently on a large scale than on a small scale. Here, when pressed from the left top, the deformation does not reach the right side of the structure. Image by the research authors.
Scientists at Cambridge, Amsterdam & New South Wales are developing “active” materials that use internal energy to change shape and behaviour - opening new possibilities for robotics and advanced engineering 🚀
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