当然，挑战依然存在，产能的极限、定价的博弈、长期的安全性观察……每一项都是硬骨头。但正如所有的颠覆性创新一样，一旦它跨过了那个名为“商业化”的临界点，旧的世界秩序便再也回不去了。
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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.