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Дания захотела отказать в убежище украинцам призывного возраста09:44
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“韓 대표팀 해결사는 김도영” 美 야후스포츠, 1급 경계령
"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.。关于这个话题，服务器推荐提供了深入分析