Occasionally someone claims to have built a machine that can run forever, producing as much energy as it consumes. This has always been disproved because it violates.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

answer; sutherland-differential association;