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> If the container is going to be metal, then hydrogen is an option. Afaik hydrogen tends to slowly diffuse through metals and embrittle and corrode them in th
by the8472 10y ago
> If the container is going to be metal, then hydrogen is an option.
Afaik hydrogen tends to slowly diffuse through metals and embrittle and corrode them in the process. And a solid-metal hull probably is ideal for airships anyway.