News tagged with multiverse
Multiverse
The multiverse (or meta-universe, metaverse) is the hypothetical set of multiple possible universes (including the historical universe we consistently experience) that together comprise everything that exists and can exist: the entirety of space, time, matter, and energy as well as the physical laws and constants that describe them. The term was coined in 1895 by the American philosopher and psychologist William James. The various universes within the multiverse are sometimes called parallel universes.
The structure of the multiverse, the nature of each universe within it and the relationship between the various constituent universes, depend on the specific multiverse hypothesis considered. Multiverses have been hypothesized in cosmology, physics, astronomy, religion, philosophy, transpersonal psychology and fiction, particularly in science fiction and fantasy. In these contexts, parallel universes are also called "alternative universes", "quantum universes", "interpenetrating dimensions", "parallel dimensions", "parallel worlds", "alternative realities", "alternative timelines", and "dimensional planes," among others.
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Physicists Calculate Number of Parallel Universes
(PhysOrg.com) -- Over the past few decades, the idea that our universe could be one of many alternate universes within a giant multiverse has grown from a sci-fi fantasy into a legitimate theoretical possibility. ...
Oct 16, 2009 |
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First observational test of the 'multiverse'
The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the 'multiverse' – is, for the first time, being tested by physicists.
Aug 03, 2011 |
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Life beyond our universe: Physicists explore the possibility of life in universes with laws different from our own
(PhysOrg.com) -- Whether life exists elsewhere in our universe is a longstanding mystery. But for some scientists, there?s another interesting question: could there be life in a universe significantly different ...
Feb 22, 2010 |
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An elegant multiverse? Professor Brian Greene considers the possibilities
You might think it’s hard to have a conversation with theoretical physicist Brian Greene. His research specialty is superstring theory, the hypothesis that everything in the universe is made up of miniscule, vibrating ...
Mar 22, 2011 |
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Across the multiverse: FSU physicist considers the big picture
(PhysOrg.com) -- Is there anybody out there? In Alejandro Jenkins' case, the question refers not to whether life exists elsewhere in the universe, but whether it exists in other universes outside of our own.
Jan 12, 2010 |
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Astronomy without a telescope - bubblology
One model of a hypothetical multiverse has, perhaps appropriately, some similarity to a glass of beer. Imagine an eternal false vacuum – that’s a bit like a fluid, though not all that much like a f ...
Jul 25, 2011 |
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