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Helium is used in a large range of  applications due to its extreme unique properties of the noble gas.

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Helium is used as a super coolant for cryogenic applications such as Magnet Resonance Imaging (MRI), Nuclear Magnetic Resonance (NMR) spectroscopy, particle accelerators, Large Hadron Collider, Superconducting Quantum Interference Device (SQUID), Electron Spin Resonance spectroscopy (ESR), Superconducting Magnetic Energy Storage (SMES), magnetohydrodynamic superconducting generators, power transmission, magnetic levitation transport, superconducting sensors, mass spectrometers, superconducting magnets, strong-field magnetic separator, toroidal field superconducting magnets for fusion reactors and other cryogenic research. Helium cools low-temperature superconducting materials and low-temperature superconducting magnets to a temperature close to absolute zero, so that the electrical resistance of superconductors drops abruptly to zero. The very low electrical resistance of superconductors enables to create more powerful magnetic fields. In the case of MRI equipment in hospitals the more powerful magnetic field yields greater detail in the radiological image scans. Helium is used as super coolant, because helium has the lowest melting and boiling points of any element and helium does not solidify at atmospheric pressure and 0 K and helium is chemically inert. Furthermore helium is superfluid below 2.2 Kelvin. Untill now the unique property superfluidity is not exploited in any industrial application. Helium as super coolant cannot be substituted in cryogenic applications, if temperatures below 17 Kelvin are required.

The application areas of helium are now explained in more details..