Researchers at the Korea Advanced Institute of Science & Technology (KAIST) have developed a quadrupedal robot with magnetic soles on its four feet, allowing it to move up and down metal walls and across metal ceilings while upside down.
The robot, called Marvel (Magnetically Adhesive Robot for Versatile and Expeditious Locomotion), can carry more than 37 kilograms (82 lbs.) up a wall at a speed of 42 meters per minute.
The soles are comprised of a permanent magnet and a magneto-rheological elastomer, which allow the feet to turn on to adhere to the surface, turn off to detach, and maintain high adhesive power on uneven surfaces.
The researchers said Marvel could be used to carry out dangerous maintenance tasks on ships, bridges, transmission towers, and storage tanks.
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