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 Lexington Principles on the Rights of Detainees important for the Lexington Principles to be phrased in those terms. All of the transnational norms discovered during the lengthy research phase of the Lexington Principles Project needed to be translated into aspects of due process. This was accomplished by distilling all points of mutuality in the law governing detainee treatment under both international law and domestic U.S. law down to one central right: the right to physical liberty. Principle 1 of the Lexington Principles on the Rights of Detainees codified this right, and all other rights were drafted as essentially derivative of this central guarantee. Principle 1 states, "Physical