The scientific method requires scientists and all others who claim to thinkrationally to answer knotty questions by means of experiment (or carefulobservation). In order to do this effectively, one must formulate a hypothesis,a statement of the putative principle that engages all the known implications.These implications must be rather direct. Circumstantial consequences are justthat - circumstantial and cannot PROVE a hypothesis. Those better formerimplications must suggest experiments that will verify them or not. It is goodif there are direct elements of principle and subservient implications of thehypothesis. It is better if a complete and utter negative statement of thehypothesis can be formulated. Then, the net sum of the original hypothesis andthe negative hypothesis should be zero. Logically, the negative completelycancels the positive hypothesis. This negative hypothesis is called the"null" hypothesis because it would nullify the other if it proves tobe true and it would tend to validate the positive hypothesis, at least itwould fail to PROVE it false, if it was shown to be false in any way. Then, ifdirect evidence can be found that tends to corroborate the original positivehypothesis, we can begin to regard it as a good logical beginning. THEN, ifthis positive hypothesis can be combined with statements that have already beenproven and the combined implications can be verified, we have the beginnings ofproof.
The key to this process is our ability to form an experimentally testable NullHypothesis. The evidence FOR the positive statement of the hypothesis isinsufficient in itself because circumstances may combine to fool our littleexperiments. We are human. If an appropriate robust Null Hypothesis cannot beformulated, the original hypothesis is unsuitable to merit the attention of thescientist.
This is relevant to the debates about Dark Energy, quintessence and DarkMatter. Dark energy is the reservoir of potential energy that is supposed toexist as an underlayment or foundation of the universe. Quintessence issupposed to be a new force field that is just another component of the universe.All fundamental force fields have an associated particle. So, if there isquintessence, there should be a quintessence particle also. Invisible DarkMatter is supposed to account for the anomalous rotation velocity distributionseen in galaxies and galactic clusters.
To call one's self a scientist, one must respect the scientific method. It isnot a scientist's dogma any more than is it such to follow a firefighter'scode; one must respect the power of fire - or else you die.
An unfalsifiable hypothesis has no business occupying the time of thescientist. Whole theories have often been constructed from unfalsifiablehypotheses. Such theories are often fun to think about, even edifying andinspiring - but they certainly are not science.
There is a place for faith. But, if a person of faith needs experimental proof,he will have little of either. We all need faith. We all use faith in some way.In times of trouble and sorrow, sometimes it is all we have. God loves us, webelieve. Our belief makes it so. If we can say sincerely that a principle ofhuman conduct or relations should be true, then it is. Human reality is what wecan say it should be. This is called Primary Christian Existentialism. All menand women of faith are Christian existentialists.
All scientists hew to a code of honor as well as to the scientific method.Truth is not just a buzzword. Truth is meaning. Truth is the scientist's life.Truth is noble.
In a very real sense, to the scientist, "Truth" is the next bestthing to God.
This post has been edited by G Anthony: 7 December 2011 - 11:18 AM

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