Objects & Inventions
Telephone
A communication invention that carries speech across distance.
The telephone is a communication device that transmits speech or other sound between people at a distance. Its development changed how quickly people could exchange information.
The invention has evolved from wired systems to mobile networks, but the core idea remains communication over distance.
Quick facts
- It is used for communication.
- Early telephones used wired networks.
- Telephone technology predates smartphones.
- Modern phones can transmit voice wirelessly.
- The telephone changed business and personal communication.
A surprising fact
The word telephone combines Greek roots related to distance and sound.
