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Contact: Josh Chamot
jchamot@nsf.gov
703-292-7730
National Science Foundation
Caption: Researchers have developed a directional adhesive, inspired by the gecko, using microfibers made from a hard polymer, polypropylene. The polymer fibers are 600 nanometers in diameter, just 1/100 the diameter of a human hair, and are formed by a casting process. Like the gecko, the synthetic microfiber array is not sticky except when fibers slide a small distance along a surface. While the present microfiber array works on smooth glass, future versions could be useful for medical equipment, sporting goods, or climbing robots where a directional and easy attach-release adhesive is needed.
Credit: J. Lee and R.S. Fearing, UC Berkeley
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