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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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"I would love to see the majority of these items deposited with the local museums from near where they were found," she said.

ЕС резко призвали надавить на КубуДепутат ЕП Каминьский призвал ЕС надавить на Кубу и прекратить сотрудничество

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据彭博社报道,三星电子移动体验(MX)部门总裁崔元俊在接受采访时透露了多款产品的商业情况以及研发进度: