The physics of squeaking sneakers

· · 来源:map资讯

在流量红利尚在的阶段,交易规模的扩张可以掩盖效率与分配问题;但当新增用户放缓、使用频率趋稳,平台增长就不可避免地从规模扩张转向单位变现。这一转变,使抽佣的性质发生了变化。它不再只是对撮合价值的回报,而逐渐承担起补增长的角色。

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High-speed imaging reveals that the squeak of soft–rigid frictional interfaces, like sneakers sliding on a basketball court, arises from intersonic opening slip pulses—analogous to earthquake ruptures—that thin ridges on the rubber confine to repeat at a musical frequency.

These are meaningful improvements, and some are clearly already underway. We'd love to see Google go further and retroactively audit existing impacted keys and notify project owners who may be unknowingly exposed, but honestly, that is a monumental task.

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