An Army of Microscopic Robots Is Ready to Patrol Your Body

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💠 MIT team develops miniaturized robots that can stretch using laser zaps. The bots have mechanical legs powered by electronic silicon-based modules. Scientists say they could revolutionize both microrobotics and medicine. The team was able to jiggle the legs of a battalion of microbots in a synchronized "march" simultaneously. The key is to allow microbots to travel inside the body reliably, which is a really difficult issue, they say.

The aim is to develop cell-sized robots that police our bodies, which seems like science fiction, but with serious obstacles in the way. Scientists have developed microbots that can climb, leap, roll, or even swim using magnets to monitor their travel through the rough terrain of human tissue. The main challenge is that electronically operated legs (or actuators) are very hard to produce. Although they appear to "swim" they are able to appear to be a little nervous and slightly sluggish, the bots were able to make it to the top of the bill. The authors are simply trying to solve the locomotion problem, the authors said, to be as imaginative and clever as the authors themselves.

At just 40cm wide and 70m long, the robots are the smallest on-board electronics microbots in nature. Tiny robots can withstand temperature variations up to 100F and more than a dozen orders of magnitude of acid concentrations. They are incredibly cheap to make: around one-tenth of a penny ($0,001) for each robot. The robots don't have an on- board power supply, which means they need to be tied to an external energy and information source like a puppet. The "swallowable surgeon" technique could help diagnose or treat surface tissue, such as the eyes.

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🎥 #Microscopic #Robot #Surgon

Sources: ⚉ https://www.nature.com/articles/s41586-020-2626-9 ⚉ https://www.nature.com/articles/d41586-020-02421-2 ⚉ https://www.nature.com/articles/d41586-018-07892-y ⚉ https://www.eurekalert.org/pub_releases/2020-08/cu-mr082520.php

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