Is your tiny robot really all that small if it's bigger than the width of a coin? A team of scientists has built what is now the smallest-ever remote-controlled walking robot, coming in at a mere half a millimeter (less than a fiftieth of an inch) wi
Exceedingly tiny robots have a whole host of potential uses, from helping out with surgical procedures to repairing machinery in spaces where a wrench can't fit. The smaller they get, the more scenarios they could be used in.
The technology the robot is based on was originally developed eight years ago and isn't unlike a pop-up book: robot parts are fixed to a stretched rubber substrate, and when the material is relaxed, the device pops up into its shape.By carefully calibrating the base pieces, the robot shape can be precisely controlled. A similar approach is used with the robot's moving parts, which are made from a shape-memory alloy material.
, from Northwestern University."In fact, reducing the sizes of these robots allows them to run faster."
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