Electromagnetic waves can have all sorts of strange effects on us.

波对我们有各种各样奇怪的影响。

To see something, we need light, an electromagnetic wave.

想要做观测，我们需要光，也就是波。

Light is basically a tiny electromagnetic wave traveling through space.

基本上，光是在宇宙中穿梭的微小波。

We should beware of the electromagnetic waves from the computer.

我们应该小心从脑中发射的波。

When you tune a radio to a station, you pick up the information that is being sent out via electromagnetic waves at a particular frequency —— in this case they are radio waves.

当你转到一台频道，你收到的讯息其实是来自接收特定频率的波，在这我们称它为“无线波”。

In order for our atmosphere to absorb any kind of radiation, it needs to have some electrically charged particles for passing electromagnetic waves to push around.

为了使我们的气层能够吸收任何种类的辐射，它需要有一些带的粒子，以便通过波来推动。

Albert Einstein demonstrated that light, which had previously been considered an electromagnetic wave, must also act as a particle, localized in packets of energy called photons.

阿尔伯特·爱因斯坦证明，以前被认为是波的光，也必须扮演粒子的角色，被定位在称为光子的能量包中。

" The real 'perfect invisibility' requires that the above detection means can be avoided, and its essence is the low detectability of any electromagnetic wave, " Chu added.

“真正的‘完美隐身’要求可以避开上述探测手段，其本质是任何波的低可探测性，”褚补充道。

It involves a vacuum-sealed pod that rides on top of electromagnetic waves, very simply, this is sort of similar to the way a surfer's board rides ocean waves.

它包含一个位波顶部的真空密封舱，简单来说，就像冲浪者的冲浪板一样，在海浪中航行。

Conduction is the transfer of heat between solid objects, convection uses the movement of fluids, while radiation relies on electromagnetic waves.

传导指的是两个固体之间热量的转移，对流运用流体的运动，辐射利用波。

Wifi networks on land use electromagnetic waves, but in water these will only travel a few centimetres.

地面上的WiFi网络使用波，但是在水中它们只能穿行几厘米而已。

Sunlight is composed of electromagnetic waves and is our primary source of ultraviolet radiation, which has a shorter wavelength than visible light and carries more energy.

太阳光是由波组成的，也是我们接收到的紫外线的主要来源，它有相较可见光更短的波长 也带有更多的能量。

It is a man-made composite material that changes the conventional properties of light and electromagnetic waves by designing and reorganizing the fine structure of the material.

它是一种人造复合材料，通过设计和重组材料的精细结构，改变光和波的传统特性。

Now, as these two oscillating fields move across space, that is what is known as an electromagnetic wave.

现在，当这两个振荡场在空间中移动时，这就是我们所说的波。

So small that the electromagnetic waves we used to see are too big to touch them.

它小到我们过去所能看到的波根本碰不到。

Cell phones connect to networks by emitting information in the form of electromagnetic waves, specifically radio waves, which occupy this band of the electromagnetic spectrum.

手机通过以波的形式发射信息连接到网络，特别是无线波，它占据了频谱的这一频段。

To understand what's actually happening here, we need to understand how electromagnetic waves like light travel across space.

为了理解这里到底发生了什么，我们需要理解像光这样的波是如何穿越空间的。

The advent of " metamaterials" provides a new solution for the perfect invisibility of any electromagnetic wave.

“超材料”的出现为任何波的完美隐形提供了新的解决方案。

We can try to solve this by creating electromagnetic waves with more and much smaller wavelengths.

我们可以藉由缩小波波长来解决问题。

Maybe as civilizations develop, they quickly discover communication technologies far more sophisticated and useful than electromagnetic waves.

可能一个文明发展得太快，以致它们使用的是比波更加复杂有用的信号。