Tiny magnetic robots working together like ants can overcome obstacles and transport objects many times their size. Researchers believe this technology could revolutionize medicine and other fields.
Scientists have developed swarms of tiny magnetic robots that work together like ants to achieve Herculean feats, including traversing and picking up objects many times their size. The findings suggest that these microrobot swarms -- operating under a rotating magnetic field -- could be used to take on difficult tasks in challenging environments that individual robots would struggle to handle, such as offering a minimally invasive treatment for clogged arteries and precisely guiding organisms.
Scientists in South Korea have developed swarms of tiny magnetic robots that work together like ants to achieve Herculean feats, including traversing and picking up objects many times their size. suggest that these microrobot swarms -- operating under a rotating magnetic field -- could be used to take on difficult tasks in challenging environments that individual robots would struggle to handle, such as offering a minimally invasive treatment for clogged arteries and precisely guiding organisms. 'The high adaptability of microrobot swarms to their surroundings and high autonomy level in swarm control were surprising,' says author Jeong Jae Wie of the Department of Organic and Nano Engineering at Hanyang University in Seoul, South Korea. Wie and colleagues tested how well microrobot swarms with different assembly configurations performed at a variety of tasks. They found that swarms with high aspect ratio assembly could climb an obstacle five times higher than the body length of a single microrobot and hurl themselves, one by one, over an obstacle. A large swarm of 1,000 microrobots with high packing density formed a raft that floated on water and wrapped itself around a pill that weighed 2,000 times more than each individual robot, enabling the swarm to transport the drug through the liqui
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