We can actually see spatially all the details in the field animated as you turn the current on and off.

我们能看到,所有细节的空间动画分布,就在你打开电流和切断的时候。

麻省理工公开课 - 媒体、教育、市场课程节选

After a while, there were stretches where red gullies dropped off on either side of the road, and behind them there were patches of field buttoned together with 666 posts.

过了一会，有几段路,红色的排水沟在道路两旁延伸，后面是一块块的田地,一共有666根插在上面。

耶鲁公开课 - 1945年后的美国小说课程节选

And when you turn the current off, the magnetic field collapses.

当你切断电流，电磁场就消失了。

麻省理工公开课 - 媒体、教育、市场课程节选

Some of the most important fascinating studies in the field of psychology where a person off the street was told by an experimenter to shock another person, even to the point where the other person is screaming to stop.

两者都是心理学领域,最精彩的研究，在街上随便找个人,在实验者的指示去电击另一个人，甚至电击到另一个人尖叫恳求停止。

哈佛公开课 - 幸福课课程节选