MIT scientists created what could be the Legos of affordable, adaptable robotics.
, since it allows them to move through water much more efficiently, as countless varieties of fish do in rivers, lakes, and the open ocean.The team’s new design relies on lattice-like pieces called voxels, which are stiff in structure yet still low-density, and allow for large scalability potentials. The voxels are made to be load-bearing in one direction, yet soft in others through a combination of various materials and proportions, including cast plastic pieces.
To demonstrate these advances, the team created a meter-long, eel-like robot composed of four structures, each made of five voxels. An actuator wire attached to each end’s voxel allows the robot to undulate accordingly, causing the snakebot to move through water. Unlike the two-year construction time for its Robotuna ancestor, however, the new robot only took two days to build.
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