…a lecture, I mean, to read the Encyclopedia Britannica article on magnetism. It's been written by Mr. Bosworth, who is in Bell Telephone Labs. Bosworth, rather. Anyway, it's on magnetism. And you'll see what happened. All I did was read the encyclopedia and…

…an earphone also would serve as a microphone. Without any battery, it does its own generating. And the first telephone designed by Bell, in fact, had two instruments exactly the same, both what we would now call a loudspeaker or an earphone, both connected…

…normal matter vibrates or not is something we'd have to discuss. What circumstance? Of course normal matter vibrates. When you hit a Bell with a hammer, it vibrates. Yes, a small question my lady is asking it constantly: what makes the world work? Isn't…