If the structures look familiar, it's probably because nature has been using them for a long time in places like nautilus ...
Constructed with a single magnet block and steel back bar ... An added advantage is that the shape and direction of the magnetic field limits any magnetisation of the Overband Magnet frame, which is ...
Scientists at the Max-Planck-Institute for Intelligent Systems (MPI-IS) have developed hexagon-shaped robotic components, ...