7. Cryogenic liquids

Superconductivity is a very special state of certain materials in the solid state, whose 2 fundamental characteristics are :

a complete absence of electrical resistivity, which means they can conduct electricity without resistive losses;
perfect diamagnetism (Meissner effect), which refers to the phenomenon of total exclusion of all magnetic fields from the interior of a superconductor when it is brought to a temperature below its critical temperature.

This phenomenon was discovered by Kammerlingh Onnes in 1911, when he first observed it in mercury. This was made possible...

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Cryogenic liquids

Bibliography

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(2) - FOFANA (I.) - 50 years in the development of...