• It looks like a tautology because you're never able to show me something that moves forever at a constant velocity, because every time you don't find such a thing, I give an excuse, namely, a force is acting.

    这听上去像个死循环,因为你不可能,找到永远匀速运动下去的物体,因为每当你找不到这样的物体时,我就会给出一个理由,也就是,有力作用在上面

    耶鲁公开课 - 基础物理课程节选

  • The chess-playing program makes moves these guys haven't thought of.

    象棋程序的走法,是这些程序员也未曾想到过的

    耶鲁公开课 - 死亡课程节选

  • Because it's a gel electricity is going to move through the gel because there are ions in it the same way - for the same reason you don't drop an electrical device into the bathtub because charge moves through water that has ions in it.

    由于凝胶中存在离子,电流会通过凝胶,同样--,因为同样的原因你不会把电器扔进浴缸里,因为水里也有离子,所以水可以导电

    耶鲁公开课 - 生物医学工程探索课程节选

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