Helium

Helium is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble ... .

Helium Gas Uese

Arc Welding Shields. Welders use helium as a shielding gas. ...
Airbags. Helium's quick diffusion makes it the ideal choice for airbag deployment.
Nuclear Reactors. ...
Magnetic Resonance Imaging (MRI) ...
Emphysema Treatment.