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<p class="has-text-align-justify">Be all set to witness an army of microscopic robots patrolling a human body! With technology progressing by leaps and bounds, invisible to the naked eye, these microbots are so small that a 10 cm silicon wafer can be installed with a million of these robots. They are small enough to be injected into the body and eventually they could be designed to hunt down and destroy cancer cells. ;</p>



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<p class="has-text-align-justify">The legs of these little &#8216;creatures&#8217; are inspired by Origami- the Japanese art of Paper folding. Somewhat mimicking the way our knees bend when we swim or walk! It has been stated that it would take less than a week to produce a million robots of this kind. ;</p>



<figure class="wp-block-image size-large is-resized"><img src="https://yodoozy.com/wp-content/uploads/2021/01/8-1024x576.jpg" alt="Robots Smaller Than The Cross Section Of A Single Human Hair: What For?" class="wp-image-16462" width="800"/></figure>



<h2 class="wp-block-heading">How do they work?</h2>



<p class="has-text-align-justify">Every small bot consists of a simple circuit made up of silicon photovoltaics (which convert light into electricity and essentially functions as the torso and brain) and four electrochemical ‘actuators’; components that work as legs. The researchers control these bots by flashing laser pulses at different photovoltaics, each of which charges a separate set of legs. By flashing the laser back and forth between the front and back photovoltaics, the robot walks.</p>



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<p class="has-text-align-justify">These robots are expected to serve as micro surgery devices. A swarm of such bots could be injected to locate bacteria or a tumour cell and then gradually destroy it. ; ; ;</p>



<p class="has-text-align-justify"><strong>Also read: </strong><a href="https://yodoozy.com/for-disabled-people-like-me-technology-brings-hope/?v=a98eef2a3105"><strong>Severely Disabled Now Have A Shot At Getting A Job &#8211; Courtesy Robots ;</strong></a></p>