Smart power grids, GPS navigation, air travel, financial services and emergency radio communications can all be knocked out by intense solar activity.
智能电网，GPS导航，飞机航行，金融服务，以及紧急无线电联络都可能受剧烈的太阳活动波及无法正常运行。
Radio has been cramming ever more information into the transmission, using techniques such as spreading it across the spectrum, dividing it up into portions and using "smart" antennae.
通过使用诸如跨频段传播，分割成块和“智能”天线技术使传输中的无线电波填充更多的信息。
For a simple example, let's take a look at the audio bitrates for some of the most popular streaming radio and music services available on smart phones today.
举个简单的例子，让我们看看一些最流行的流媒体的音频比特率和现今的智能手机上可用的音乐服务。
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