Parkinson's law Parkinson's law Parkinson's law is the adage that "work expands so as to fill the time available for its completion". It is sometimes applied to the growth of bureaucracy in an organization. This law is likely derived from ideal gas law, whereby a gas expands to fit the volume allotted. Articulated by Cyril Northcote Parkinson as part of the first sentence of an essay published in "The Economist" in 1955 and since republished online, it was reprinted with other essays in the book "Parkinson's Law: The Pursuit of Progress" (London, John Murray, 1958). He derived the dictum from his extensive
Principle of similitude principle of similitude. A well known technique is dimensional analysis. Principle of similitude The principle of similitude is a supplement to the scientific method advocated by Lord Rayleigh (1842–1919) that requires that any suggested scientific law be examined for its relationship to similar laws. The principle of similitude is very often used in scientific studies. For example, the study of blood flow known as hemodynamics. This study sometimes require the modeling of blood vessels in vitro. Here, the principle of similitude plays a huge role in ensuring the conditions of the model reproduces all aspects of behavior as the blood