And does our own planet owe its survival to this massive comic magnet?

我地球要感激这个庞大滑体吗？

Well, it's complicated. I mean, he works with lasers and atomic magnets.

挺复杂，他跟激光和原子体打交道。

Bismuth, for instance, is diamagnetic, so it's always repelled by a magnet.

比如铋就具有逆性，所以总是被体排斥。

Inside the magnet, the molecules of Chinese purple became a single magnetic wave.

在体内，中国紫分子变成了单一波。

The Earth has a molten iron core that rotates quickly, turning it into a giant magnet.

地球有一个快速旋转熔融铁核，把地球变成了一个巨大体。

The Leather Loop comes in a soft, quilted leather that conceals magnets for fastening and adjustment.

皮质回环表带以柔软裄缝皮革为材料，内藏体，便于收紧及调整。

So what draws scientists like, well, like a magnet to the 45t hybrid?

那是什么让科学家像铁一样被 45-T 混合体所吸引呢？

Dr Vetrovec intends to perform his version of the trick at atmospheric pressure, and using permanent magnets.

维特威克博士想要在大气压力下用永体来实现他这种把戏。

In fact, the same transition metals that give gems their color can make them drawn to magnets.

事实上，过渡金属元素赋予了宝石颜色，同样被体吸引。

I need to believe that noisy magnets can safely take an accurate picture of a growth deep inside my head.

我需要相信嘈杂体可以安全地拍下我脑海深处肿瘤准确图像。

No, it has to be like a super magnet.

不会 那得是个很大体。

This makes electromagnets quite different from permanent magnets.

这得电体与永体有很大不同。

When unpaired electron spins line up parallel to each other, you get ferromagnetism, or a mineral that's an actual magnet.

当未配对电子自旋互相平行时，你将见到铁性，或者一个实际上是体矿物。

A discovery made here at the national high magnetic field laboratory, home of the 45t hybrid, the world's most powerful magnet.

这项发现在国家高场实验室中做出 45-T 混合体，世界最强铁就坐落于此。

They're building a fusion reactor with these sorts of superconducting magnets right now in the south of France.

他现在正在法国南部用这种超导体建造一个聚变反应堆。

This is different from a permanent magnet because permanent magnets don't need this wire.

这与永体不同，因为永体不需要这种电线。

So let's take a look at that and compare permanent magnets to electromagnets.

让我看一下并将永体与电体进行比较。

The main component of the composition was the solenoid of the superconducting magnet they were still installing.

组成主要部件是他仍在安装超导体螺线管。

Sometimes, a gem that's normally repelled by magnets will have bits of iron inside it, which will make it attracted to magnets instead.

有时，一个通常被体排斥宝石如果含有少量铁元素，反而这会得被体吸引。

The magnetic field around the Earth is called the magnetosphere, and like a magnet, it has a north pole and a south pole.

围绕着地球场被称为层，就像一个体拥有一个南极和一个北极。