stanford university researchers have developed a snake-like robot that grows like a vine by squeezing through hard to reach places. the sole aim of the prototype is to act as a search and rescue device, moving through rubble and small openings in order to reach trapped survivors by delivering them water. the snake starts as a rolled up inside out tube with a pump on one end and a camera positioned on the other side. once initiated, the device inflates and grows in the direction of the camera, while the other side stays the same.

image by kirk hickman and aaron kehoe

 

 

the snake robot is able to turn and twist round difficult corners, depending on what it sees from the camera. this allows it to follow complex paths in order to reach its desired position. stanford university put their creation to the test by running a series of trials, where it successfully managed to move through flypaper, glue and nails and an icy wall. although it suffered a few punctures, it managed to continue all the way through to the end of the obstacle course. 

 

 

‘the body lengthens as the material extends from the end but the rest of the body doesn’t move,’ says elliot hawkes, lead author of the paper. ‘the body can be stuck to the environment or jammed between rocks, but that doesn’t stop the robot because the tip can continue to progress as new material is added to the end.’

 

 

the robot’s ability to itself to lift a 100-kg (220-lb) crate off the ground, spin around to create a free-standing structure, and squeeze through a gap just a tenth of its own diameter, has proven to researchers that it is a project worth developing. the significance of this research is the robot’s possible function in disaster relief or other emergency operations. at present, the prototype is made from cheap plastic, but researchers are planning on a newer model which would use tougher materials such as kevlar. it has been claimed that they could also grow using pressurized liquid instead of air, letting them deliver water to trapped people or to put out fires. 


image by L.A. cierco

  • Congratulations to University of Stanford and all developers for this incredible snake robot.

    I have always been interested in all technology dedicated to improving human life and this device, “to my personal point of view” is indispensable and necessary in rescue efforts.

    I am from Mexico and have been in the two strongest earthquakes (1985 and now 32 years later) and l have been witness of others…

    At the time as an engineer in Mechatronic, I know that technology is the best solution and with your help and technology can be the difference to save lives. For that reason and as you know the complexity of this terrible reality and in a humble way I ask you. What are the chances that you provide help in Mexico City and others regions of Mexico? We need all help as soon as possible.

    This is my personal e-mail to contact: [email protected]

    Greetings.

    Erick

    Erick Yamir Ayala H. says:

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