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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."
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杜耀豪翻看的族谱上只有男性的名字，但养育他、影响他至深的，却是在历史惊涛中坚忍的女性，不仅有在德国鱼店工作三十年的母亲，还有在越南时期暗中守护家庭的外祖母。他从表姐那里听过一段记忆：夜晚熄灯后，家中的女人们躲在房间里悄悄数着金条、金粒与首饰，为未知的逃亡做准备。两人分享时，曾因其中的荒诞咯咯发笑，但笑声之下，是沉重的压力。“我知道男性在社会中倾向于发言，”他想，“但显然女性可能有更多的话要说。”