Astonishing Shape-shifting robot

It may not look like a character from the Transformer franchise, but a tiny robot made by MIT in the US is able to change shape. Built at the Massachusetts Institute of Technology (MIT), it uses magnets to mimic molecules that fold up themselves into composite shapes. The study could lead to robots that could be reconfigured to perform many different tasks.
According to Neil Gershenfeld, head of MIT's Center for Bits and Atoms It's effectively a one-dimensional robot that can be made in a continuous strip, without conventionally moving parts. It is composed of pairs of a powerful lasting magnet and a weaker magnet with a magnetic field that changes direction when an electric current is applied.It would be challenging for such a robot to work beside artificial-intelligence machinery, but the technology could have many real-world applications.

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