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Do parallel universes actually exist ?

Posted on Saturday, 1 November, 2014 | Comment icon 132 comments

Are there an infinite number of universes parallel to our own ? Image Credit: NASA/ESA/ESO
Physicists have put forward a new theory that ties quantum physics to the concept of parallel universes.
The idea that there are a limitless number of alternative versions of our universe running alongside ours in which every possible permutation of events has occurred is something that has existed almost exclusively in the realms of science fiction.

Professor Howard Wiseman and Dr. Michael Hall however have put forward a groundbreaking new theory proposing that parallel universes are not only real but that they interact with one another through a subtle repulsive force.
The physicists believe that this interaction could help to explain the oddities of quantum physics.

"In the well-known ‘Many Worlds Interpretation’, each universe branches into a bunch of new universes every time a quantum measurement is made," said Professor Wiseman.

"All possibilities are therefore realized – in some universes the dinosaur-killing asteroid missed Earth. In others, Australia was colonized by the Portuguese."

Source: Red Orbit | Comments (132)

Tags: Parallel Universe, Quantum Physics

Recent comments on this story
Comment icon #123 Posted by Rlyeh on 12 November, 2014, 12:13
Do you recall who wrote this: "Time travel is traveling between points in time." Wasn't me.Yes, I said it. What do you not understand?Now that I point out that I travel in time between two points you say I am wrong.Buzz. Wrong answer. Time elapsed, you never travelled. But by all means prove you actually travelled from 6:37pm to 8:47pm. Want to bet you can't?You still haven't added much to this conversation. I am still waiting for you to show me your genius, but I'm just not seeing it yet. I am a rootin for ya. Come on now. You can do it. Still projecting there champ. A conversation is beyond ... [More]
Comment icon #124 Posted by Lesionia on 14 November, 2014, 4:56
I think what is being said here not too clearly is that time in the way we think of it, as a mathematical dimension, where future and past are places and the present is the boundary between them, doesn't exist. I will admit I have a lot of trouble with that conception too -- it seems to me that probably the only reality is the present and the other two don't exist except in our memories or our expectations -- that there is just the present and what gives us a sense of time is that the present changes. A consequence of this view would clearly be that time travel would not be possible since ther... [More]
Comment icon #125 Posted by StarMountainKid on 15 November, 2014, 3:56
I would agree that time "as we think of it" does not exist. I also disagree slightly. See time isnt what we think it is. Actually one could say it is very difficult to describe what time truly is. It isnt a clock, becuase a clock is a tool to measure time. So we have been thinking time is a clock or the pattern of the sun, but it is much more then that. Then there is the fact that everything is dependent on time. (just look around you, you will see how true that is) So time exists.Now saying that the past or future or rather present are places in time is a propasterious theory. I suppose it is... [More]
Comment icon #126 Posted by Lesionia on 15 November, 2014, 5:21
We say we live in the present, but as the past determines the present, I think the past in this sense is what the present actually is. The present is sort of an extension of the past, or the present moment of the past. We could equally say that the future is the present, as the future is happening now. I would also say that the past, future and present are places, not in time, but in space-time. Events are configurations of space-time. Where is the space-time configuration of five minutes ago? Has it just disappeared? Since the present cofiguration of space-time is dependant on the past config... [More]
Comment icon #127 Posted by Harte on 15 November, 2014, 5:42
I agree, if spin can change simultaneously on two related particles, no mater the separation of distance, then there is a method of information transfer that is clearly faster than light. Subsequently, if consciousness is somehow quantum entangled then it stands to reason that it is theoretically possible for thoughts to be transferred across any distance instantaneously. ergo, faster than light. However, spin has not been shown to "change simultaneously" the way you characterize entanglement. Until the spin is measured, there is no way whatsoever to determine what it is. When the spin is meas... [More]
Comment icon #128 Posted by StarMountainKid on 15 November, 2014, 15:17
However, spin has not been shown to "change simultaneously" the way you characterize entanglement.Until the spin is measured, there is no way whatsoever to determine what it is. When the spin is measured, it is found to be the same as that of the entangled partner particle, when it is measured. That's not communication. It's merely a technicality of quantum probability. Harte Actually, the spin of the two particles when measured will be opposite to each other. The two entangled particles are considered to belong to the same quantum state of superposition. One particle cannot be fully described... [More]
Comment icon #129 Posted by danielost on 16 November, 2014, 1:09
according to mormon belief god created time, so everything wouldn't happen at once.
Comment icon #130 Posted by StarMountainKid on 16 November, 2014, 2:27
according to mormon belief god created time, so everything wouldn't happen at once. My (odd to some) idea is that everything already has happened at once. It is mearly our slow psychological sense of time that creates the illusiont hat the future has not happened yet.
Comment icon #131 Posted by Uncle Sam on 16 November, 2014, 9:33
I thought thought was essentially believed to be electrical in nature - signals through the neural networks of our brain. Electrical signals travel through these networks, as they do through the circuits of your smartphone or computer slower than the speed of light, only approaching that speed when the circuit and components, or nerves and neurons, are cooled to near absolute zero. Of course the biological circuits couldn't function anywhere near that temperature. When electrical signals are coupled to the aeather through a transducer such as an antenna, they become or more accurately stimulat... [More]
Comment icon #132 Posted by danielost on 16 November, 2014, 14:51
Our thoughts and actions is relayed through chemical action. You are close, but you said electrical signals which is wrong. If that was true, our brain would have been fried a couple of days after formation. no he is correct, the human body produces enough electricity to power a flashlight. let me correct myself, thoughts are neither electrical nor chemical. the process in which we become aware of our thoughts are both chemical and electrical. thoughts come from our soul. reactions to stimuli is electrical and chemical. they do not involve the soul.

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