High Quality Content by WIKIPEDIA articles! A vacuum airship, also known as a vacuum balloon, is a type of aircraft. First proposed by Italian monk Franceso de Lana in 1670, the vacuum balloon would be the ultimate expression of displacement lift power. A frequent topic of blue sky thinking, the basic principle has remained the same: a container strong enough to preserve a vacuum that displaces sufficient air to lift the container and an additional load. However, construction of a container strong enough to withstand atmospheric pressure while at the same time being lighter than the air it displaces is currently just beyond the realm of possibility given current technology.

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