The underwater world comes with its own set of hardships. Divers often face a shortage of air or exhaustion, making long expeditions impossible. But a duo of veteran divers is bringing a change. A National Geographic explorer and a New York University professor have created an inflatable tent that serves as a base camp for underwater adventures. These tents have a breathable atmosphere for six hours with rechargeable batteries. Divers can eat a meal or just relax without their masks in a safe place.