The Copenhagen interpretation, in Bohm’s view, was “guided to a considerable extent” by the idea that objects that can’t be seen aren’t real, an idea Bohm ascribed to positivism. Yet, as Bohm pointed out, “the history of scientific research is full of examples in which it was very fruitful indeed to assume that certain objects or elements might be real, long before any procedures were known which would permit them to be observed directly.” Bohm then gave the example of atoms, the existence of which Mach resisted to the end, despite the overwhelming evidence to support them, because they
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