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."
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08
，这一点在下载安装汽水音乐中也有详细论述
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Georgina RannardScience correspondent