What is Radio?
A lot of people ask me, they say, hey Greg, you’re in radio, what’s it like? How do you do it? I mean what’s involved? Well, to those individuals I say, I’m glad you asked. Radio is very simple and at the same time very complex, it involves gentle rocking motions and occasionally the formation of ideas, but lets not get ahead of ourselves here, the whole thing about radio is this: it’s free. 
I play music and talk on this end, and you tune it in and listen on that end. It’s that simple. But how do the sounds get there, you may ask? Good question. The sounds get there by way of billions of tiny bugs, called micro-schlubs, who fly at supersonic speeds and carry miniature cd players on their backs. Well, not exactly. It's weirder than that.
There are 2 types of radio waves: AM and FM- Amplitude Modulation and Frequency Modulation. They are broadcast from the radio tower and travel out in all directions. 
But they don't stop there. Some of those radio waves keep going, pass through the earth's atmosphere and keep going into outer space. In fact, there may be aliens out there right now listening to shows I did 10 years ago (they must be out around Jupiter by now, traveling along quite nicely, heading out of the solar system.)
Is E.T. listening? Does he dig Led Zep? Don't laugh. They could be out there. I just read where Stephen Hawking said that we shouldn't be advertising our place in the galaxy- because if there really are aliens out there, they may not be as friendly and moral as we imagine. In fact they may be into conquering and occupying, and stripping natural resources. It might be a bad scene. 
Remember the Twilight Zone episode called "To Serve Man" where the aliens come and take us back their home planet. They leave a book behind, which is finally translated. The title? To Serve Man. It's a cook book. They want to eat us.
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