7 dic 1905 anni - Helium is discovered
in Natural Gas
Descrizione:
Hamilton Cady and David McFarland from the University of Kansas discovered that helium could be found in natural gas. They proved that helium was not one of the rarest elements on Earth. The gas was later used in blimps for WWII.
https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/heliumnaturalgas.html
Aggiunto al nastro di tempo:
CH 345 Timeline
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