Parallel Worlds Exist and Discuss With Our World, Say Physicists - Physics-Astronomy.org

Parallel Worlds Exist and Discuss With Our World, Say Physicists

Quantum mechanics, though firmly experienced, is so weird and anti-intuitive that famous physicist Richard Feynman once remark, “I think I can safely say that nobody understands quantum mechanics.” Attempts to give details some of the bizarre consequences of quantum theory have led to a number of mind-bending ideas, such as the Copenhagen understanding and the many-worlds interpretation.
Now there’s a latest theory on the block, called the “a lot of interacting worlds” hypothesis (MIW), and the idea is presently as profound as it sounds. The theory suggests not only that parallel worlds exist, but that they interrelate with our world on the quantum level and are thus detectable. Though immobile speculative, the theory may help to lastly explain some of the bizarre consequences innate in quantum mechanics, information RT.com.
 The theory is a spin-off of the many-worlds understanding in quantum mechanics — an idea that posits that all possible option histories and futures are real, every representing an actual, though parallel, world. One difficulty with the many-worlds interpretation, however, has been that it is fundamentally untestable, since notes can only be made in our world. Happenings in these proposed “parallel” worlds can thus only be imagined.
MIW, however, says otherwise. It suggests that parallel worlds can interact on the quantum level, and in detail that they do.
“The idea of parallel universes in quantum mechanics has been around since 1957,” explain Howard Wiseman, a physicist at Griffith University in Brisbane, Australia, & one of the physicists to come up with MIW. “In the well-known ‘Many-Worlds Interpretation’, every universe branches into a bunch of latest universes every time a quantum measurement is made. All possibilities are therefore realised – in some universe the dinosaur-killing asteroid missed Earth. In others, Australia was colonised by the Portuguese.”
“But critics question the actuality of these other universes, since they do not influence our universe at all,” he added. “On this score, our “Many interact Worlds” approach is completely different, as its name implies.”
Wiseman and colleagues have future that there exists “a universal force of repulsion between ‘nearby’ (i.e. similar) worlds, which tends to create them more dissimilar.” Quantum effects can be explained by factoring in this force, they propose.
Whether or not the math holds right will be the ultimate test for this theory. Does it or does it not properly forecast quantum effects mathematically? But the theory is certain to give plenty of fodder for the imagination.
For instance, when ask about whether their theory might entail the option that humans could someday interact with other worlds, Wiseman said: “It’s not part of our theory. But the idea of [human] connections with other universes is no longer pure fantasy.”
What strength your life look like if you made different choices? Maybe one day you’ll be able to look into one of these option worlds and find out.
Parallel Worlds Exist and  Discuss With Our World, Say Physicists

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