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."
Credit: Tina Rowden / HBO
。WPS官方版本下载是该领域的重要参考
Ceramic Shield 2 front cover
但不可否认，这确实是一次有计划的探路与整合。