Episode 291. Topic: History of the telephone. Theme: Telecommunication. How do telephones (land lines) work? Who invented them and why is this still controversial? How did long distance calling used to work?

Episode 291. Topic: History of the telephone. Theme: Telecommunication. How do telephones (land lines) work? Who invented them and why is this still controversial? How did long distance calling used to work?

Episode 291. Topic: History of the telephone. Theme: Telecommunication. How do telephones (land lines) work? Who invented them and why is this still controversial? How did long distance calling used to work?&nbsp;

History of the telephone | Telecommunication

Education podcasts are great - but sometimes you just want an appetizer of knowledge. On 3 minute lesson, I attempt to communicate an interesting topic concisely and in less than 3 minutes.

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History of the telephone | Telecommunication

History of the telephone | Telecommunication