无线电波

The year is 1887, and Heinrich Hertz is generating radio waves.

这是1887年, 31岁的赫兹正在制造无线电波.

I work here; turn here; radio waves received here on Earth.

我在这儿工作; 转过来; 这儿总会接受到无线电波的.

The highly sophisticated electronic methods rely on either light or radio wave propagation.

较复杂的电子技术是利用光或无线电波传播.

Radio waves travel in straight lines.

无线电波是直线传播的.

The tiny batteries that power them can be recharged by radio waves.

微型电池的供能能通过无线电波充电.

This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.

这种高频交流电流产生前一章提到过的高频无线电波.

But the attraction of radio waves is that are pretty much everywhere.

但是无线电波的吸引力在于它们几乎无处不在.

The original current set up by the radio waves is very feeble.

无线电波产生的初始电流很弱.

And straight through your radio waves, it plays and plays.

并且直接通过你的无线电波, 播放着播放着.

The speed of radio waves is as great as that of light.

无线电波的速度与光波一样快.

Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.

声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。

Do any of these radio waves sweeping through space to the Earth contain a message?

在飞越空间到达地球的这些无线电波中,是否可能有一些电波包含着某一种信息 呢 ?

Of the wealth of information radioed back, a few items are especially notable.

无线电波发回的大量信息中, 有几条是特别令人注目的.

The universe is bathed in a sea of radio waves.

宇宙浸泡在无线电波的海洋中.

radio waves from outer space

来自外层空间的无线电波