Neutral buoyancy diver maintains neutral buoyancy by continuous correction, usually by controlled breathing, as neutral buoyancy is an unstable condition for a compressible object in a liquid. The mathematician Archimedes discovered much of how buoyancy works more than 2000 years ago. In his research, Archimedes discovered that an object is buoyed up by a force equal to the weight of the water displaced by the object. In other words, an inflatable boat that displaces 100 pounds (45 kilograms) of water is buoyed up by that same weight of support. An object that floats in the water is known as being "positively" buoyant.
The Legend of Lucky Pie The Legend of Lucky Pie The Legend of Lucky Pie () is a Chinese animated web series. Produced by a group of artists without funding or a studio environment, the first episode was released as a short film in early January 2015. Writers for news sites observed striking similarities to the American animated television series "Adventure Time", calling it a "rip-off", while some praised the animation and dedication of the producers. The plot revolves around a pony named Lucky and an anthropomorphic owl called Ah-Pie going on adventures. "Lucky Pie" was produced by a group of Chinese artists who, according