Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.


Objecting to the placing of observables at the heart of the new quantum mechanics, during Heisenberg's 1926 lecture at Berlin; related by Heisenberg, quoted in Unification of Fundamental Forces (1990) by Abdus Salam ISBN 0521371406


Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.

Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.

Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.

Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.