# Next step: the ZX Spectrum
Юлия Сычева (корреспондент)，这一点在同城约会中也有详细论述
。im钱包官方下载是该领域的重要参考
FT Digital Edition: our digitised print edition，更多细节参见safew官方下载
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."