Jacques Cousteau and Pierre-Antoine was released in 1954. During the 1940s, Cousteau is credited with improving the aqua-lung design which gave birth to the open-circuit scuba technology used today. According to his first book, "" (1953), Cousteau started diving with Fernez goggles in 1936, and in 1939 used the self-contained underwater breathing apparatus invented in 1926 by Commander Yves le Prieur. Cousteau was not satisfied with the length of time he could spend underwater with the Le Prieur apparatus so he improved it to extend underwater duration by adding a demand regulator, invented in 1942 by Émile Gagnan. In 1943 Cousteau tried
Jacques Cousteau National Estuarine Research Reserve Environmental Technology. Jacques Cousteau National Estuarine Research Reserve The Jacques Cousteau National Estuarine Research Reserve, located in southeastern New Jersey, encompasses over 110,000 acres (450 km²) of terrestrial, wetland and aquatic habitats within the Mullica River-Great Bay Ecosystem. A wide range of habitats includes the pinelands, lowland swamps, freshwater marshes, salt and freshwater tidal marshes, barrier islands (sandy beaches and dune habitats), shallow bays and the coastal ocean. Little more than one percent of this reserve has been subject to human development. The area is one of the least disturbed estuaries in the densely populated urban corridor of the northeastern