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Gecko tech finally comes up to size.Gloves that let a person crawl up flat, sheer surfaces like Spider-Man does now exist. Skeptical? Watch Elliot Hawkes, a mechanical engineer at Stanford who led the team that pioneered this breakthrough, test them out.
“To work, the surface you’re climbing needs to be relatively smooth; like glass, varnished wood, polished stone, or metal,” Hawkes says, “but you can attach and detach with very little effort, and to make [the gloves] stick all you have to do is hang your weight.”
Over the past decade, scientists around the world have been trying to mimic the incredible stickiness of the gecko foot. But until now, engineering these materials to work at a human scale was a seemingly insurmountable challenge. It’s not that the materials weren’t sticky enough—it’s that no one was able to figure out how to delicately balance the strain of a climbing human hand across a big patch of adhesive. In a study published this week in the Journal of the Royal Society Interface, however, Hawkes and his colleagues describe how they engineered a solution.
Says Kellar Autumn, a biomechanical engineer at Lewis & Clark College who studies gecko adhesion was not involved in this project: “This is a really big deal. I’ve been dreaming about this for about 15 years, since we first discovered the mechanism that makes geckos stick to walls. And this is proof that we finally understood it well enough to make a person climb a building.”
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#the power of science