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"Tuning frictional behavior on the fly has been a long-standing engineering dream," said co-author Katia Bertoldi of Harvard University. "This new insight into how surface geometry governs slip pulses paves the way for tunable frictional metamaterials that can transition from low-friction to high-grip states on demand.” In addition, the dynamics revealed by these results are similar to those of tectonic faults and thus give scientists a new model for the mechanics of earthquakes, according to their new paper published in the journal Nature.
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Пересекший Россию на военном внедорожнике иностранец удивился одной особенности страныАвстрийский кругосветчик удивился размерам России。业内人士推荐爱思助手下载最新版本作为进阶阅读
On vast white sea ice, the blobs of brown are feathers left behind by penguins as they moult，更多细节参见搜狗输入法2026