Science Of Energetics. Although the mechanical hypothesis just mentioned may be useful and interesting as a means of anticipating laws, and connecting the science of thermodynamics with that of ordinary mechanics, still it is to be remembered that the science of thermodynamics is by no means dependent for its certainty on that or any other hypothesis, having been now reduced, to a system of principles, or general facts, expressing strictly the results of experiment as to the relations between heat and motive power. In this point of view the laws of thermodynamics may be regarded as particular cases of more general laws, applicable to all such states of matter as constitute Energy, or the capacity to perform work, which more general laws form the basis of the science of energetics, - a science comprehending, as special branches, the theories of motion, heat, light, electricity, and all other physical phenomena.
William John Macquorn RankineRelated topics
basis capacity certainty constitute dependent electricity energetics energy experiment form general having heat hypothesis light matter mechanical mechanics motion motive now ordinary particular phenomenon physical point power science special system thermodynamics view work means relations laws facts statesRelated quotes
Classical mechanics has been developed continuously from the time of Newton and applied to an ever-widening range of dynamical systems, including the electromagnetic field in interaction with matter. The underlying ideas and the laws governing their application form a simple and elegant scheme, which one would be inclined to think could not be seriously modified without having all its attractive features spout. Nevertheless it has been found possible to set up a new scheme, called quantum mechanics, which is more suitable for the description of phenomena on the atomic scale and which is in some respects more elegant and satisfying than the classical scheme. This possibility is due to the changes which the new scheme involves being of a very profound character and not clashing with the features of the classical theory that make it so attractive, as a result of which all these features can be incorporated in the new scheme.
Paul Dirac
With very slight straining of equivalents, Thomas might now be written thus:-
By the term God, is meant a Prime Mover which supplies all energy to the universe, and acts directly on man as well as on all other creatures, moving him as a mechanical motor might do; but man, being specially provided with an organism more complex than the organisms of other creatures, enjoys an exceptional capacity for reflex action,- a power of reflexion,- which enables him within certain limits to choose between paths; and this singular capacity is called free choice or free-will. Of course, the reflexion is not choice, and though a man's mind reflected as perfectly as the facets of a lighthouse lantern, it would never reach a choice without an energy which impels it to act. [...]
The scheme seems to differ little, and unwillingly, from a system of dynamics as modern as the dynamo.
Henry Adams
We must be careful to discriminate between our own incapacity to test truth and the necessary improbability of an event. It is plain that from our ignorance of the remote spheres of God's action we cannot judge of His works removed from our experience; but a fact is not necessarily doubtful because it cannot be reached by our ordinary senses. To recapitulate, we may lay down the following propositions:
1. That there is no real physical distinction between miracles and any other operations of the Divine energy : that we regard them differently is because we are familiar with one order of events and not the other.
2. There is nothing incredible in a miracle, and the credibility of a miraculous event is to be measured only by the evidence which sustains it. And although the extraordinary character of a phenomenon may render the event itself improbable, it does not, therefore, necessarily render it either incredible or untrue.
Charles Babbage
When someone's body can no longer perform its functions in the natural world in response to the thoughts and affections of its spirit (which it derives from the spiritual world), then we say that the individual has died. This happens when the lungs' breathing and the heart's systolic motion have ceased. The person, though, has not died at all. We are only separated from the physical nature that was useful to us in the world. The essential person is actually still alive. I say that the essential person is still alive because we are not people because of our bodies but because of our spirits. After all, it is the spirit within us that thinks, and thought and affection together make us the people we are. We can see, then, that when we die we simply move from one world into another. This is why in the inner meaning of the Bible, "death" means resurrection and a continuation of life.
Emanuel Swedenborg
The social sciences building at the University of Chicago indeed still bears since it was built 40 years ago on its outside an inscription taken from the famous physicist Lord Kelvin: "When you cannot measure, your knowledge is meager and unsatisfactory." I will admit that that may be true, but it is certainly not scientific to insist on measurement where you don't know what your measurements mean. There are cases where measurements are not relevant. What has done much damage to microeconomics is striving for a pseudo-exactness by imitating methods of the physical sciences which have to deal with what are fundamentally much more simple phenomena. And the assumption that it is possible to ascertain all the relevant particular facts still completely dominates the alternative methods of dealing with our constitutional ignorance, which economists have tried to overcome. This of course, is what has come to be called macroeconomics as distinct from microeconomics.
Friedrich Hayek
