 In The Structure of Scientific Revolutions (1962), Thomas Kuhn used the term ‘incommensurable’ to characterize the holistic nature of the changes that take place in a scientific revolution. His investigations into the history of science revealed a phenomena often now called ‘Kuhn loss’: Problems whose solution was vitally important to the older tradition may temporarily disappear, become obsolete or even unscientific. On the other hand, problems that had not even existed, or whose solution had been considered trivial, may gain extraordinary significance in the new tradition. Kuhn concluded that proponents of incommensurable theories have different conceptions of their discipline and different views about what counts as good science; and that these differences arise because of changes in the list of problems that a theory must resolve and a corresponding change in the standards for the admissibility of proposed solutions (cf. Stillwaggon Swan and Bruce 2011). So for example, Newton’s theory was initially widely rejected because it did not explain the attractive forces between matter, something required of any mechanics from the perspective of the proponents of Aristotle and Descartes’ theories (Kuhn 1962, 148). According to Kuhn, with the acceptance of Newton’s theory, this question was banished from science as illegitimate, only to re-emerge with the solution offered by general relativity. He concluded that scientific revolutions alter the very definition of science itself.