[MD] reality

[ADRIE KINTZIGER]

John Archibald Wheeler

*Wheeler:* It from bit. Otherwise put, every 'it'—every particle, every
field of force, even the space-time continuum itself—derives its function,
its meaning, its very existence entirely—even if in some contexts
indirectly—from the apparatus-elicited answers to yes-or-no questions,
binary choices, bits. 'It from bit' symbolizes the idea that every item of
the physical world has at bottom—a very deep bottom, in most instances—an
immaterial source and explanation; that which we call reality arises in the
last analysis from the posing of yes–no questions and the registering of
equipment-evoked responses; in short, that all things physical are
information-theoretic in origin and that this is a participatory universe.

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