Meeting at London's Royal Society will scrutinise basic model first formulated in 1922 that universe is a vast, even expanse with no notable features
Another view...
Physicists Think The Infinite Size of The Multiverse Could Be Infinitely Bigger
www.sciencealert.com
... Not only does God play dice, that great big casino of quantum physics could have far more rooms than we ever imagined. An infinite number more, in fact.
Physicists from the University of California, Davis (UCD), the Los Alamos National Laboratory in the US, and the Swiss Federal Institute of Technology Lausanne have redrawn the map of fundamental reality to demonstrate the way we relate objects in physics could be holding us back from seeing a bigger picture.
For about a century, our understanding of reality has been complicated by the theories and observations that fall under the banner of quantum mechanics. Gone are the days when objects had absolute measures like velocity and position.
To understand the fabric from which the Universe is made, we need mathematics that breaks down games of chance into likely measures.
This is far from an intuitive view of the Universe. In what has come to be known as the Copenhagen Interpretation of quantum physics, it seems there are waves of possibility until there isn't. Even now, it's not at all clear what ultimately decides the fate of Schrdinger's cat.
That hasn't stopped physicists from considering the options. American physicist Hugh Everett suggested in the 1950s that all possible measures constituted their own reality. What makes this one special is merely the fact you happen to be observing it.
Everett's 'many worlds' model isn't quite a theory so much as a way of grounding the absolute weirdness of quantum mechanics in something tangible.
We start with an impression of the infinite multiverse of maybes, or what physicists might refer to as the sum of all energies and positions known as a global Hamiltonian, and then zoom in on what interests us, constraining the infinite within a finite and far more manageable Hamiltonian subsystem. ...
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