It was left to the American scientist Robert Millikan, in 1909, to measure their charge.

1909年美国科学家罗伯特·密立根开始测量电子的电荷。

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The instrument of Millikan oil-drop method is simple, the method is. ingenious, and the result obtained is reliable.

密立根油滴实验，设备简单，方法巧妙，所得结果精确可靠、堪称实验物理的典范。

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Millikan oil-drop experiment is one of classical experiments in physics, and it is still essential in modern physics experiments.

密立根油滴实验是物理学的经典实验之一，至今仍是近代物理实验中的必做实验。

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Robert Millikan, the physicist who first measured the charge on the electron, discarded results that did not match his expectations, yet he won a Nobel prize because he was right.

ECONOMIST: Fraud in science: Liar! Liar! | The

The physicist Robert Millikan (who showed minor confirmation bias in his own work on the charge of the electron by omitting outlying observations that did not fit his hypothesis) devoted more than 10 years to trying to disprove Einstein's theory that light consists of particles (photons).

WSJ: The Benefits of Scientific Rivalry | Mind & Matter