Antenna
part · 1888 · Electric age
Emits and receives radio waves.
Principles and materials it uses
- Electromagnetic waves — uses. It emits and receives waves.
- Copper — is made of. Antennas are copper wires.
- Electrical conduction — uses. Current in a conductor radiates a wave.
Where it is used
- Crystal radio — is part of. An antenna.
- Radio — is part of. An antenna.
- Radio module and antenna — is part of. An antenna.
- Television set — is part of. An antenna.
- Base station — is part of. Antennas.
- Walkie-talkie — is part of. An antenna.
- Shukhov Tower — is part of. A radio tower.
- Military radio — is part of. It needs an antenna.
- Radar — is part of. An antenna emits and receives.
- Pager — is part of. It receives the signal with an antenna.
- Doppler radar — is part of. An antenna.
- Sputnik 1 — is part of. Four whip antennas.
- Mobile phone — is part of. An antenna.
- Router — is part of. Antennas.
- Speed radar — is part of. An antenna.
What it is a kind of
- Dish antenna — includes. An antenna.