Leonardo da Vinci is usually credited with conducting the first systematic study of friction in the late 15th century, a subfield now known as tribology that deals with the dynamics of interacting surfaces in relative motion. Da Vinci's notebooks depict how he pulled rows of blocks using weights and pulleys, an approach that is still used in frictional studies today, as well as examining the friction produced in screw threads, wheels, and axles. The authors of this latest paper used an experimental setup similar to da Vinci's.
好奇心把我们连在一起。它构成了我们快乐且高效合作的基础。我想，它也缓冲了我们对「做一件可怕的新事物」的恐惧。
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Additional reporting by Antoine Schirer, Rafid Hossain and Victoria Arakelyan.，这一点在WPS下载最新地址中也有详细论述
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