You Belong with Me is a blues song.
The half-life of knowledge or half-life of facts is the amount of time that has to elapse before half of the knowledge or facts in a particular area is superseded or shown to be untrue .. knowledge. knowledge. half-life. half-life. These coined terms belong to the field of quantitative analysis of science known as scientometrics .. scientometrics. scientometrics. These ideas of half-life applied to different fields differ from the concept of half-life in physics in that there is no guarantee that the knowledge or facts in areas of study are declining exponentially .. knowledge. knowledge. half-life. half-life. physics. physics. It is unclear that there is any way to establish what constitutes `` knowledge '' in a particular area , as opposed to mere opinion or theory .. knowledge. knowledge. Because scientific knowledge is growing by a factor of ten every 50 years , this means that half of what scientists may have known about a particular subject will be wrong or obsolete in 45 years .. knowledge. knowledge. An engineering degree went from having a half life of 35 years in ca. 1930 to about 10 years in 1960 .. Donald Hebb estimated the half-life of psychology to be five years .. half-life. half-life. Donald Hebb. Donald Olding Hebb. psychology. psychology