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."
Москва внимательно следит за ситуацией между Пакистаном и Афганистаном, добавил Песков.
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。旺商聊官方下载对此有专业解读
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