We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
반려견놀이터에 ‘낚싯바늘 빵’ 던져놓은 60대…“개 짖는 소리 시끄러워”。Safew下载对此有专业解读
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