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'''विज्ञानइतिहास:'''
'''विज्ञानइतिहास:''' is a field of [[history]] which examines how humanity's understanding of [[science]] and [[technology]] has changed over the [[millennia]], and how this understanding has allowed us to generate new [[technology|technologies]]. This field of history also studies the [[culture|cultural]], [[economics|economic]], and [[politics|political]] impacts of scientific innovation.
The advent of modern [[mathematics|mathematical]] [[science]] is generally believed to have begun with the [[Hellenic Greece|Hellenic]] [[Pythagoreans]]; although, it would probably be a mistake to believe that modern science was a "[[Greece|Greek]] [[invention]]". Rather, the Greek influence on mathematics and scientific investigation has been better documented than the contributions of other ancient [[civilization]]s.
== Challenge to orthodoxy ==
A persistent theme in the history of science and technology has been the poor reception so often given to those who espouse ideas contrary to the prevailing orthodoxy. The story of [[Galileo Galilei|Galileo]] has often been taken as a case in point: some natural philosophers and astronomers, especially those in areas closely influenced by religious orthodoxy, were reluctant to "check" their theories by looking through the newly-invented telescope as Galileo did. It is a poor example, however, because within a few years Galileo was one of the most honored scientists in Italy, and held in high regard by the [[Society of Jesus|Jesuit]] astronomers of the Collegium Romanum—who were using telescopes with enthusiasm.
After enough time, even the most unpopular idea can become a new scientific orthodoxy, if it can survive experimental test satisfactorily. For example, the germ theory of disease has become so prevalent that [[pasteurization]] and [[Listerine]] are household words, even if [[Louis Pasteur]], [[Ignaz Semmelweis]], and [[Joseph Lister]] are not so well remembered.
There is a controversy over whether we are more receptive to new scientific [[paradigm]]s now than in Galileo's time. While some see Galileo's saga as an example of the arrogance of authority, others argue that rejection of new ideas today cannot be directly compared with examples such as Galileo. They claim that theories developed and tested by following the currently accepted principles of scientific investigation closely, as Galileo did, are generally accepted however surprising they may be, whereas ideas that make yet unproven and seemingly unjustified assumptions are termed [[pseudoscience]].
:The excess heat observed in the [[Fleischmann-Pons experiment]], which they and some others have attributed to [[cold fusion]], is a challenge to orthodoxy that is not yet fully resolved. The first report, which received extremely intense press coverage, caused many physicists to attempt to reproduce the experiment (a necessary process in science); these first attempts resulted in many complete failures, at least one report of success that was later withdrawn, and no clear and reproducible successes. Since then, the experiment has been repeated by other scientists who have reported various degrees of success. Because of lack of clear confirmation, as well as on theoretical grounds, claims of cold fusion have been rejected as [[pseudoscience]] by most mainstream scientists. A rebuttal of the claims by showing faults in the experimental set-up would be more convincing; but, for the original experiment, this is impossible because of the unclear and sometimes inconsistent description of the methods.
== General History of science and technology ==
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