Today, airplanes and helicopters rule the skies but that wasn’t always the case in the early 20th century people thought floating gas-filled airships would be the flying machines of the future .not everyone thinks the floating vehicles are just a side –note in aviation history .airships operate on one basic principle buoyancy is the tendency of an object to flat in a such as helium and hydrogen there gases are less dense than the nitrogen oxygen and other gases that make up earths atmosphere.
With enough helium or hydrogen you can make almost anything fly .In the early 20th century airships were used for exploration transportation and even warfare .quiet as a cloud they could spy on enemies and drop bombs from afar then in 1937 a hydrogen
With enough helium or hydrogen you can make almost anything fly .In the early 20th century airships were used for exploration transportation and even warfare .quiet as a cloud they could spy on enemies and drop bombs from afar then in 1937 a hydrogen