Porpoise (scuba gear) Porpoise (scuba gear) Porpoise is a tradename for scuba developed by Ted Eldred in Australia and made there from the late 1940s onwards. The first Porpoise was a closed circuit oxygen rebreather, and the following models were all single hose open circuit regulators. This rebreather was developed by Ted Eldred in the late 1940s and early 1950s. Some were made and used for sport diving, but they did not go into full production. It was worn on the back without a casing. The bag was between the canister and valve assembly and the diver's back. It had two wide breathing
Alexandra Cousteau Alexandra Cousteau Alexandra Marguerite Clémentine Cousteau (born March 21, 1976) is a filmmaker and an environmental activist. Cousteau continues the work of her grandfather Jacques-Yves Cousteau and father Philippe Cousteau, Sr. Cousteau advocates the importance of conservation, restoration and sustainable management of ocean and water resources for a healthy planet and productive societies. Cousteau is the daughter of Philippe Cousteau and Jan Cousteau and the granddaughter of French explorer and filmmaker Jacques-Yves Cousteau and Simone Cousteau. She is a member of the third generation Cousteau family who explore and explain the natural world. At the age of four months, Cousteau