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Multiple realities can exist at the same time

Posted on Friday, 22 March, 2019 | Comment icon 10 comments

The world of quantum physics is very strange indeed. Image Credit: CC BY-SA 3.0 Kuroiniisan
A mind-boggling quantum physics experiment has seemingly confirmed the existence of multiple realities.
The research sought to answer a decades-old physics question first posed by physicist Eugene Wigner in the 1960s. Known as "Wigner's friend", the idea puts forward a situation in which an observer in an isolated laboratory measures the polarization of a photon.

Initially, the photon is in a state of superposition - meaning that its polarization is both horizontal and vertical at the same time. When the laboratory observer measures the polarization, the particle assumes a fixed state, however for someone outside the laboratory who doesn't know the result of the measurements, the photon is still in a state of superposition.

The reality of both these individuals, therefore, differs - even though both are technically correct.

Now, several decades on, scientists have finally been able to conduct an experiment to actually test this concept and demonstrate that, in quantum physics at least, multiple realities can exist.

"Theoretical advances were needed to formulate the problem in a way that is testable," said study co-author Martin Ringbauer from the University of Innsbruck in Austria. "Then, the experimental side needed developments on the control of quantum systems to implement something like that."

The findings seemed to confirm that Wigner's observations held up in practice.

"It seems that, in contrast to classical physics, measurement results cannot be considered absolute truth but must be understood relative to the observer who performed the measurement," said Ringbauer.

Source: Live Science | Comments (10)

Tags: Quantum Physics, Realities

Recent comments on this story
Comment icon #1 Posted by Nnicolette on 22 March, 2019, 13:57
If you are observant enough, this much is already obvious. What i am wondering is what happens when you bring the observers with results that varied in to re-observe at the same time. Do they still both see different results?
Comment icon #2 Posted by Almighty Evan on 22 March, 2019, 13:59
"Actually, I've heard far too much about Schrodinger's cat."
Comment icon #3 Posted by Herr Falukorv on 22 March, 2019, 16:10
Schrödinger's cat died 60 years ago
Comment icon #4 Posted by Seti42 on 22 March, 2019, 17:04
There's at least two alternate realities in the USA right now. Yes, I'm talking about political views. Sorry, lol.
Comment icon #5 Posted by pallidin on 23 March, 2019, 10:08
I find myself confused about one very important thing... The quantum reality has a bridge into the "macro", yet it has never been explained.
Comment icon #6 Posted by Goddess of the Mist on 23 March, 2019, 23:32
Isn't this saying that our consciousness affects the state of the particle?  At least that's what I get from it.  Oh how I wish someone would come up with a way to explain quantum physics in clear, easy to understand English.  
Comment icon #7 Posted by Piney on 24 March, 2019, 0:53
   Atoms are made up of particles, Particles are made up of smaller particles. Then you have particles that aren't (photons.i.e light).   Sub particles are too small to make a "dent" in the "fabric" of SpaceTime. (They are so light they are literally outside of time and gravity).   Photons (light particles) are heavy enough to leave a dent in Space Time but they are ageless hence you can see "old light" when it reaches us ( i.e.faraway stars)  That's about all I know. 
Comment icon #8 Posted by danydandan on 24 March, 2019, 7:24
Not really. The experiment is suggesting that the measurements (observations) may not be as absolute as we think. If we assume it works in our Macro-world. If you and I were standing in a room and looked at the same clock on the wall at exactly the same time and got two different times. That's what this experiment is suggesting.  But in reality this doesn't happen nor does it happen at a quantum mechanics level due to uncertainty.
Comment icon #9 Posted by SmartAZ on 24 March, 2019, 23:59
It is significant that these stories never say anything that I might be able to test at home. It seems that I am supposed to accept it just because some reporter says it. Reporters have a lousy reputation for misquoting scientists.
Comment icon #10 Posted by qxcontinuum on 30 March, 2019, 1:45
Yes was a known fact. There was a time traveler most likely fake his name John Titor speaking about this theory. He said he cant go back to his time but only into a parallel reality. What if he was truly a time traveler?

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