• So he took his rope out though some say it was a huge rattlesnake and lassoed Sue to catch her and bring her down to Earth.

    VOA: special.2009.11.28

  • And no, it wasn't. When he took away the gold foil the count rate went down to zero.

    看看是不是从,其他地方打进来的alpha粒子,但不是,当他拿走。

    麻省理工公开课 - 化学原理课程节选

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