Buoyancy "downward" direction. The center of buoyancy of an object is the centroid of the displaced volume of fluid. Archimedes' principle is named after Archimedes of Syracuse, who first discovered this law in 212 B.C. For objects, floating and sunken, and in gases as well as liquids (i.e. a fluid), Archimedes' principle may be stated thus in terms of forces: — with the clarifications that for a sunken object the volume of displaced fluid is the volume of the object, and for a floating object on a liquid, the weight of the displaced liquid is the weight of the object. More
Rule according to higher law Rule according to higher law The rule according to a higher law means that no law may be enforced by the government unless it conforms with certain universal principles (written or unwritten) of fairness, morality, and justice. Thus, "the rule according to a higher law" may serve as a practical legal criterion to qualify the instances of political or economical decision-making, when a government, even though acting in conformity with clearly defined and properly enacted legal rules, still produces results which many observers find unfair or unjust. The idea of a law of ultimate justice over and above the momentary