The Photophone Is a Telecom Device That Allows Transmission of Speech on a Beam

The photophone is a tele communications device that allows transmission of speech on a beam of light. It was invented jointly by alexander grambell and his assistant, charles sumner tainter, on february nineteenth, 18 80. Noway, i did not know this, so help. Is this the same thing that you're talking about with the mister wizard deal? Cause i just don't get this at all. I want to know more about these other, ah, these other ways to talk over great distance,. Like aer other ways that people would do this. Sure, i've got my spread sheet up, and we can, we can change the things.