And the key to that mess is magnetism.

而造成这篇混乱关键是。

A compass is ruled by the magnetic force of the Earth.

指南针受地球控制。

Your magnetic boots are now engaged.

您靴已经启用。

But magnetism is very different from gravity.

但是引之间存在很大差别。

The loops are caused by the twisting of the sun's basic magnetic field.

圈是因太阳基本场扭曲所致。

In place of an axle, the wheel was suspended between two magnetic forks.

没有车轴，轮子悬浮在两个叉子之间。

There is a popular attraction here called the Whirly Dirly.

这里有个吸引人 “风”。

They can be deactivated using the control panel on your arm.

可通过手臂上控制板关闭附着。

Packing 45 Teslas of magnetic force.

拥有 45 特斯拉。

So, uh, Jerry, big fan of the Whirly Dirly, are you?

杰里，你很风吗？

Kent used changes in Earth's magnetism to find the age of fossils in Greenland.

肯特通过地球发现了格陵兰化石年头。

Are they just gonna fly out of my head?

它们会因为从我脑子里飞出来吗？

First she mentioned maglev-that's a short way of saying magnetic levitation.

首先她提到了悬浮——这是漂浮简称。

The Earth itself has a magnetic force.

地球本身也有。

It charges magnetically, there's none of that old lightning port stuff going on.

它是充电，不像以前那种带闪光接口。

Birds use it to help them navigate over thousands of miles - it tells them where north is.

鸟儿们用导航，飞行数千英里--可以告诉它们哪边是北方。

So, magnetism is not a good guide to navigating in space.

因此，不能很好地帮助人们在太空中找到方向。

So, a compass, which depends on magnetism, is no good for navigating in space.

因此，依赖指南针不适合在太空中导航。

But our magnetic field is not the perfect force field of sci-fi movies.

然而我们场不是科幻电影里那种完美场。

And if you really think about what's happening here, it's fundamentally an electromagnetic force.

如果你们想一下，发生了什么 这根本上是电。