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After the mist clears in the early morning, crystal dew often hangs on the spider's web. Inspired by this phenomenon, Chinese researchers reported in the latest issue of the British "Nature" magazine that they have invented a new type of man-made fiber that can adsorb moisture in the air to its surface like spider silk.
Researchers from institutions such as the Chinese Academy of Sciences and Beijing University of Aeronautics and Astronautics reported that they used optical microscopes and electron microscopes to observe spider webs, and found that spider silk, which can condense dewdrops, has a unique structure: in the form of two fibers There are many spindle-shaped micro-protrusions composed of nano-scale fibers distributed on the main trunk. When the moisture in the air condenses to the surface of the spider silk, large dew drops will be collected at these micro-protrusions.
The researchers said that, imitating the unique structure of spider silk, they used nylon fibers and other materials to create a similar "absorbent spider silk." Experiments show that by placing this new material in mist, the moisture in the air can condense into water droplets on the surface of this material. The researchers believe that the new material is expected to be used in the future to obtain moisture from the air, as well as industrial filtration.
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