A changing electric field produces a changing magnetic field, which produces a changing electric field, and so on.

变化电产生变化，产生变化电，以此类推。

This creates an electric field around the knife fish's body.

这在刀鱼身体附近产生了电。

Even human cells have the ability to detect electric fields though not consciously.

即使是人类细胞也有能力探测电, 尽管不是有意识。

Except with light, the things doing the waving are electric and magnetic fields.

除开光，产生波动是电。

One of the dangers of electric fields is that they can be harmful to humans.

电虽然会危害人体。

This sounds in some ways like the electric fields that exist in and all around us.

这就像我们周围存在电。

This relationship between electric fields and magnetic fields is a fundamental property of the universe.

电之间这种关系是宇宙基本属性。

Some discriminate between individual compounds by observing how the compounds move through a set of electric fields.

有些人通过观察化合物如何通过一组电区分各个化合物。

So, he showed that the lightning radiates an electric field which produces a voltage on the frog legs.

他证明了闪电能辐射出一个电，在青蛙腿上产生电压。

And some fish, like the knife fish, generate an electric field around its body when it's swimming around.

有一些鱼，例如刀鱼，在游泳时会在其周围产生电。

You can think of a light wave as being made of both an electric field and a magnetic field.

你可以把光波想象成由电组成。

There's a lot more going on, especially the creation of electric fields and sharks have an incredible electro-reception sense.

还有很多事情要做，尤其是电产生，鲨鱼有一种令人难以置信接收电流感觉。

Now, the electric field starts acting on the liquid.

现在，电开始作用于液体。

She knew that an enormous electric field had appeared.

她知道，出现了一个巨大电。

That twitch is their electric field responding to the current.

这种抽搐是它们电对电流反应。

They navigate, and hunt, by sensing the electric fields around them.

它们通过感知周围电导航狩猎。

But that blockage can be cleared by applying an electric field of 1600 volts per centimeter, parallel to the chocolate's flow.

但是，管道堵塞可以通过1600伏特/厘米电清除，与巧克力电流相平行。

To make the glue unsticky, the researchers switch the direction of their system's electric field.

为了使胶水不粘， 研究人员改变了他们系统电方向。

So physicists at Temple University in Philadelphia have devised an unusual solution to avoid that sticky situation: apply an electric field.

因此，费城天普大学物理学家们设计出了一种不同寻常解决方法避免粘稠情况：使用电。

Next time, we’ll learn about electric fields and how to visualize their effect on neighboring objects.

下一次，我们将学习电以及如何可视化它们对邻近物体影响。