bn:01313300n
Noun Named Entity
Categories: Vacuum systems, Pressure, Airship configurations, Airship technology, Hypothetical technology
EN
vacuum airship  vacuum balloon
EN
A vacuum airship, also known as a vacuum balloon, is a hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium. Wikipedia
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EN
A vacuum airship, also known as a vacuum balloon, is a hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium. Wikipedia
hypothetical type of airship that contains a vacuum rather than a lighter-than-air gas Wikidata
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