1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration

Choose a Page:What creatures live at the bottom ...Who invented the submarine?How deep is the ocean?What is a submersible?How deep have humans dived?Who owns treasure found on the sea...How are submersibles controlled?Are there any useful minerals on t...*What does SCUBA stand for?*How is the depth of the sea measured?What are the bends?How did early diving suits work?How does a modern diving suit work? What does SCUBA stand for? Scuba is short for Self-Contained Underwater Breathing Apparatus. Also called an aqualung, it is the breathing apparatus favoured by divers descending lower than is possible using a snorkel, which can only take them 1 metre below the surface. A scuba diver   Previous: Back Book: 1001 Section: Science and Technology Chapter: Undersea Exploration