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Stories about: scuba

What Is a Rebreather? A typical Self-Contained Underwater Breathing Apparatus, or scuba gear for short, usually consists of a tank containing compressed air and a mouthpiece used to regulate the flow of air from the tank into the lungs. But breathing air in this manner is extremely inefficient, especially while considering the application... 26 May 2008 08:51 GMT Nature's Scuba Diver Scuba diving has not been invented by people. A small dark spider comes with a spectacular example. The diving bell spider (Argyroneta aquatica) has a 9-15 mm long body covered by very fine and dense small hairs and lives in vegetated, fresh, not running water. Even if this spider lives in the water, it cannot breath... 24 November 2007 04:11 GMT Dolphins and Sea Lions, Still the Best Solution Against Underwater Terrorists Even with the current advanced technology in high-tech sensors and underwater robotics, dolphins and sea lions keep on being the U.S. Navy's best defense against scuba diving terrorists. "They are better than anything we have ever made,'' said Mike Rothe, head of science for the Navy's marine mamm... 14 April 2007 03:58 GMT