据路透社此前报道，农业机械巨头约翰迪尔公司已同意支付9900万美元，就一起集体诉讼达成和解。该诉讼指控该公司阻止农民和维修人员获取设备维修所需材料。作为和解协议的一部分，迪尔公司承诺将在未来10年内提供维修资源，但强调“需通过许可或订阅方式获取”。
Mixing corn starch and water in appropriate amounts produces a slurry that is liquid when stirred slowly but hardens when you punch it—a substance colorfully dubbed “oobleck.” (The name derives from a 1949 Dr. Seuss children’s book, Bartholomew and the Oobleck.) High-speed imaging and force measurements have revealed another surprising property of oobleck drops hitting a flat surface, according to a new paper published in the journal Physical Review Letters.，推荐阅读钉钉获取更多信息
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