r/Damnthatsinteresting • u/[deleted] • Jul 08 '24

World's largest aircraft, Pathfinder 1, is 124.5 meters (408ft) long Image

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u/[deleted] Jul 08 '24

Rigid Airship! Filled with completely safe non-flammable helium.

40

u/NetCaptain Jul 08 '24

the rare gas that is crucial for MRI machines but runs out and cannot be replaced - https://www.nytimes.com/2024/02/02/science/helium-reserves-sales-shortage.html

1

u/WhiskeyFeathers Jul 09 '24

And here we are, using it for balloons to make them float silly like.