400ft
Aqua-lung was created in 1943.
Scientists have not been able to find a way to survive in the deep ocean with out a aqua lung and submersibles. So its scientifically impossible
Today, we call the aqua-lung the scuba, however, the aqua-lung was the earliest model of a scuba.
the aqua lung
Aqualung, Aqua-Lung, and Aqua Lung are registered trademarks (proper nouns) for scuba diving breathing equipment.
Jacques Cousteau and Emile Gagnan invented the Aqua-Lung, which was the first commercially successful open-circuit scuba diving equipment. This invention revolutionized underwater exploration by allowing divers to breathe underwater for extended periods.
In Aqua-park Delphinarium in Varna
cousteau invented the aqua lung in 1943
He only co-invented it
Jacques cousteau
Jacques Cousteau, a pioneer of marine exploration, is best known for inventing the Aqua-Lung, an early version of the scuba diving equipment. He also developed the underwater camera, known as the Aqua-Lung camera, to document marine life. These inventions revolutionized underwater exploration and helped to popularize scuba diving as a recreational activity.
I know the first one which is to never swim alone.