Duh. To measure is to distort. Just ask the cat.
It is typical of these cases that an indeterminacy originally restricted to the atomic domain becomes transformed into macroscopic indeterminacy, which can then be resolved by direct observation. That prevents us from so naively accepting as valid a "blurred model" for representing reality. In itself it would not embody anything unclear or contradictory. There is a difference between a shaky or out-of-focus photograph and a snapshot of clouds and fog banks. E.S.
Gráinne Conole: What constitutes good research in e-learning - are there lessons we can draw from the Research Assessment Exercise? ALT-J 2007 15: 183-188