Helium
material · 1868 · Industrial Revolution
An inert light gas.
Inventors: Pierre Janssen, Norman Lockyer, William Ramsay.
Principles and materials it uses
- Spectroscope — uses. Helium was discovered by spectroscopy in the solar spectrum.
Where it is used
- Blimp — is used in. Helium.
- Airship — is used in. After the Hindenburg — helium.
- Superfluidity — is used in. Liquid helium.
- Geiger counter — is material for. It is filled with an inert gas.
- Superconducting magnet — is material for. It is cooled with liquid helium.
- MRI — is material for. The magnet is cooled with liquid helium.
- Large Hadron Collider — is material for. It is cooled with superfluid helium.