"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.
Mortgage Rates Hit Their Lowest Level Since 2022. Here’s What That Means for Home Buyers and Sellers.
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Walmart has agreed to pay $100m (£74.1m) to settle claims that it misled gig workers who signed up to deliver packages for the company about the pay and tips they would receive.
Nicky Hilton Rothschild, Joe Locke, Gugu Mbatha-Raw, Lily Collins and Sumayya Vally attend the Harris Reed show at Claridge's Hotel
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
Security researchers claim Persona, the provider behind Discord's UK age verification 'experiment', performs '269 individual verification checks' on user data, including those for terrorism and espionage，详情可参考safew官方下载