From Richard Webb:
Quantum physicists just can’t agree on how to handle the fundamental uncertainty that apparently underpins reality. We round up their best attempts so far
In 2011, 33 physicists and philosophers at a conference in Austria on “Quantum physics and the nature of reality” were asked to nominate their favourites, listed below. The percentages of the delegates backing the various options do not add up to 100 – in keeping with the spirit of quantum theory, the poll allowed multiple answers.
Here’s an interesting, moderately sane one:
The information interpretation – 8 votes, 24 per cent
Information-theory interpretations stem from a growing realisation among physicists that the most basic currency of reality might be not stuff, but stuff we know about stuff –bits of information. When we observe a quantum object, we extract information from it, and it is this that causes it to lose its quantum mojo. More.
See also: In search of a road to reality
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