I understand how to add sinusoidal waves. They use the priciple of superposition and the original waves are not affected. However in amplitude modulation the radio wave that is transmitted is a result of a modulation of a carrier wave and a signal wave. However I do not understand how these waves are "blended" together. I am struggling with different articles.
Are they multiplied together perhaps? But how? It appears remarkable to me that electrical signals would multiply together. Perhaps someone understands the math behind this and could offer a clue.