Astronomers did eventually figure out what sunspots had to do with magnetic fields.
天文学家最终确实发现了太阳黑子与磁场的关系。
Instead of air pressure, it USES magnetic fields.
它不是使用风压，而是磁场。
Wood is a lousy conductor of magnetic fields!
木材是一个糟糕的导体磁场！
For example, magnetic fields certainly are not gradients.
举个例子，磁场就不是梯度。
I want to tell you things about electric and magnetic fields.
我将要讲电场和磁场。
If you're right, what is the origin of the magnetic fields?
如果你是对的，什么是磁场的起源？
You will see that I focus on magnetic and biomagnetic fields.
你会看到我在磁场和生物磁场方面的重点。
Which suggests we might be able to see magnetic fields in some way.
这说明，我们可能通过某种方式看到磁场。
Normally the galaxy's magnetic fields protect us from that radiation.
正常来说银河的磁力场会保护我们免受这种辐射侵袭。
They are fast-spinning stars with extremely powerful magnetic fields.
它们是快速旋转的恒星，其周围有极强的磁场。
But how are they linked to magnetic fields to power large flares?
不过即便如此，他们又当如何将电磁场与能量巨大的耀斑联系起来呢？
Humans are, however, unable to perceive magnetic fields naturally.
然而，人类并非生来就能感知磁场的存在。
Maybe the answer can be found in the properties of magnetic fields.
也许该答案可以在磁场属性找到。
Magnetic fields can pass through the human body without harming anything.
磁场可以无害地穿过人体。
That thing, even the Heng magnetic fields all build not to come out.
那东西，连恒性磁场都造不出来。
You did bring up something about magnetic fields and how they interact.
你提出了关于磁场和它们如何相互作用的一些问题。
Conclusion the effect of magnetic fields can inhibit the growth of tumor.
结论磁场能抑制肿瘤的生长。
Directly detecting the magnetic fields of other stars, however, can be difficult.
然而直接探测其它恒星的磁场是很困难的。
Care must be taken to protect the focusing coils from stray magnetic fields.
必须小心，以防止聚焦线圈产生寄生磁场。
The fields with which we are concerned are the electric and magnetic fields.
我们所涉及的场是电场和磁场。
There are harmonics that occur when two magnetic fields encounter each other.
当两个磁场互相遭遇时会发生谐波。
As a result, the magnetic fields become trapped in "islands," seen here as red orbs.
结果，磁场被困在“孤岛”中，就是这里看到的红色球体。
To measure the lateral variation of a property, such as gravity or magnetic fields.
测量某种性质如重力场或磁场的横向变化。
They seem to use both the intensity and direction of the magnetic fields to navigate.
它们看起来即使用磁性的强度又利用磁场方向来航行。
Magnetic fields can also drive such winds around small black holes, also known as micro-quasars.
磁场还可以驱动器等风小的黑洞周围，也被称为微类星体。
The magnetic field is without any stray fields, preventing magnetization of the tool.
所有的区域都有磁场，防止磁化工具。
And I was wondering, how can we keep warm with just magnetic gravitational fields.
我想知道我们如何用磁重力场来取暖。
And I was wondering, how can we keep warm with just magnetic gravitational fields.
我想知道我们如何用磁重力场来取暖。
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