The Telephone
⭐ MasteredAlexander Graham Bell patented the telephone in 1876. It turns voice sounds into electrical signals and back into sound. Smartphones now do much more.
The first words on the phone were 'Mr. Watson, come here.'
All about The Telephone
Alexander Graham Bell patented the telephone in 1876. It converts voice sounds into electrical signals that travel along wires, and then converts them back into sound at the other end. People could talk to each other across long distances for the first time.
The telephone changed communication forever. Early telephones were connected through switchboards operated by people. Modern smartphones now do far more than make calls, including sending messages, taking photos and browsing the internet.
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Real-life uses of The Telephone
- Calling family members who live far away
- Sending messages and photos
- Making emergency calls to get help quickly
Frequently asked questions about The Telephone
What was Bell's first famous message?
Bell said, "Mr Watson, come here, I want to see you," to his assistant, Thomas Watson, in 1876.
How does a phone turn sound into electricity?
A microphone converts sound waves into electrical signals, which vary with the pitch and volume of the voice.
Who invented the first mobile phone call?
Martin Cooper of Motorola made the first public call on a handheld mobile phone in 1973.