Geiger counter
device · 1928 · Electric age
Detects ionizing radiation.
Inventors: Walther Müller, Hans Geiger.
What it is made of
- Glowing gas discharge tube — has part. A tube with an inert gas.
- High voltage supply — has part. The tube’s power supply.
- Loudspeaker — has part. Clicks for every particle.
Principles and materials it uses
- Radioactivity — uses. It detects particles.
- Glass — is made of. The tube is glass or metal.
- Helium — is made of. It is filled with an inert gas.
What it is a kind of
- Sensor — is a kind of. A radiation sensor.