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Octopus Inspires Adhesive Material That Works Underwater

Author : Internet From : globalspec Release times : 2017.11.19 Views : 1019

Octopus vulgaris. Image credit: Wikipedia.Researchers at Sungkyunkwan University in South Korea have created an adhesive patch that can work even underwater.

Inspired by an octopus’ suction cups that can grip objects and prey, researchers created polymer sheets with dimples (like cups) and soft spheres at their core.

After a number of tests, researchers determined that the 50 micrometer dimples best mimicked the octopus’ suction cups. Additionally, researchers discovered that the key to the octopus’ suction is the water trapping beneath the sphere and at the edges of the back of the cup, creating a vacuum chamber when pressure is released.

The rectangular sheets of dimpled plastic were able to detach and reattach, without replenishing the adhesive material, up to 1,000 times to a variety of surfaces (including skin, both wet and dry) and underwater.

The study is published in the journal Nature.

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Octopus Inspires Adhesive Material That Works Underwater

Octopus Inspires Adhesive Material That Works Underwater

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