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
Ahh, you like Einstein quotes.
You and I could try the two tin cans and a string method!
Sending --- imagination ---