Originally Posted by Alrik Fassbauer 

Err, if you use these words, it would imho rather apply to the Heisenberg … "uncertainty relation" or how it is called … 
http://en.wikipedia.org/wiki/Uncertainty_principle
Seems to me that almost everything in Quantum Mechanics is about this or that or both.
Right now, for instance, the guys at CERN have or haven't found traces of Higgs.
says pibbur who usually is right or wrong.