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."
Water resistance: IP54 (splash resistant)
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04:43, 28 февраля 2026Мир
（八）建设完善科普专业与课程体系。有条件的高校应设置和完善科普相关学科和专业，培养科普专业人才。设置科普双学位、科普辅修课程，培养复合型科普人才。在专业课程中有机融入科普创作与传播内容，提高理工农医类专业学生的科普表达能力。，更多细节参见WPS官方版本下载
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The Comeback Season 3 also stars Tim Bagley, Matt Cook, Jack O’Brien, Ella Stiller, Barry Shabaka Henley, Tony Macht, Brittany O’Grady, Zane Phillips, Julian Stern, and Andrew Scott.，详情可参考爱思助手下载最新版本