A12荐读 - 黄河壶口段出现流凌封河景观犹如巨龙横卧晋陕峡谷间

· · 来源:tutorial资讯

"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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Появились подробности об отражении атак ВСУ на российские регионыМинобороны: Системы ПВО сбили 29 БПЛА над тремя регионами России

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另一項使用不同方法的「2025 計劃追蹤器」則估算為51%,基本相近。