How does it work?

I have a child like amazement when flying and the same goes for using this computer. I don't understand fully the technology of how it operates, but glad that it does. This quote is the kind of explanation to which I would have probably nodded a yes, I now understand.

You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.

Albert Einstein (1879 - 1955), when asked to describe radio