Thursday, February 23, 2017



Quantum mechanics teaches us not to think about the world in terms of “things” that are in this or that state but in terms of “processes” instead.

A process is the passage from one interaction to another.

The properties of “things” manifest themselves in a granular manner only in the moment of interaction—that is to say, at the edges of the processes—and are such only in relation to other things. They cannot be predicted in an unequivocal way, but only in a probabilistic one.

This is the vertiginous dive taken by Bohr, Heisenberg, and Dirac—into the depth of the nature of things.

–Carlo Rovelli
Reality Is Not What It Seems: The Journey to Quantum Gravity


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