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Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
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lop guest
User ID: kaput
05-17-2018 04:02 PM

 



Post: #1
Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
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Quote:Quantum entanglement, a decidedly weird effect influencing the realm of the incredibly small, may apply to the “real world” but that doesn’t mean it’s easy to see. After all, we're talking about individual pairs of particles here.

Now, two new papers – both published this week in Nature – describe how we’re now able to see the phenomenon play out in unprecedented detail within microscopic structures, meaning you can almost see the entangled objects with your own eyes.

This isn’t the first time this has been achieved, though: In 2011, using a pair of visible diamonds, the vibrational states of both were shown to match in a state of quantum entanglement. Also, back in 2009, scientists used tiny, but macroscopic, superconductors to see the effects of quantum entanglement with the naked eye too.

“Entanglement is achieved routinely in electrical circuits nowadays,” senior author of one of the papers, Prof. Mika Sillanpää of Aalto University, told IFLScience. “What makes a difference to our case is that we have the entire physical body (pretty much visible to the naked eye), all its atoms and electrons, participating in the collective entanglement.”

In any case, both of these pieces of research (one led by the University of Vienna and the Delft University of Technology, the other by Finland’s Aalto University) represent an exciting step forward for the field.

Using two different methods, the teams managed to get two types of bespoke, unconnected, microscopically-sized oscillators – devices that generate periodically changing electrical current – to demonstrate quantum entanglement. The latter group used microwaves to force two aluminum oscillators into a single quantum state; the former used lasers to do the same to wibbly silicon segments.

For those understandably a bit lost at this point, here is a little primer as to what the phenomenon actually is.

Sometimes, two particles that are separated by a huge distance can act as if they’re a pair. Their behaviors mirror each other instantaneously, and despite having no clear physical connection, they behave as a single particle, or a single system.





Quote:Now, if you have two particles that are paired up, and you measure the spin of both, you will find that they both have the opposite spin orientation to the other. This means that, if you just measure one particle, you know what the spin of the other will be – because, as it happens, they are entangled.

Whatever the random spin orientation of one particle, the other one in the pair shows the “opposite” random spin. Whether they are a nanometer apart or half the galaxy apart, this holds true, and it happens because the universe must preserve its overall angular momentum.

Einstein, who famously disliked the theory, skeptically referred to it as “spooky action at a distance”.

Practically, this means that we can make super-secure communications networks composed of paired particles, with no "real", hackable line of communication between the two. Indeed, that’s what China, in particular, is investing heavily in right now.

In order to set these quantum communication networks up, we need the technological architecture to build them in the first place. That’s where the Vienna-led paper comes in, whose team explains that its work, in conjunction with others, may “provide a backbone for a future quantum internet based on superconducting quantum computers”.

The Aalto-led paper notes that their work, at present, will establish "a new regime for experimental quantum mechanics”, useful for understanding the weird world of the (normally) incredibly small even more. Saying that, the use of their components in the construction of a quantum internet is possible, "even quite likely," according to Sillanpää.

Source
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LoP Guest
lop guest
User ID: 1337
05-17-2018 04:09 PM

 



Post: #2
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
If they can entangle electrical circuits, then shouldn't we be able to build linked FTL communications devices?

Sort of like two-way radio? But only between the two specific radios entangled together?
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lop guest
User ID: 1337
05-17-2018 04:11 PM

 



Post: #3
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
LoP Guest  Wrote: (05-17-2018 04:09 PM)
If they can entangle electrical circuits, then shouldn't we be able to build linked FTL communications devices?

Sort of like two-way radio? But only between the two specific radios entangled together?
Seems logical to assume!
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Яudis
Registered User
User ID: 1337
05-17-2018 04:15 PM

Posts: 6,441



Post: #4
RE: Scientists Have Nearly Seen Quantum Entanglement With The "Naked" Eye
Jinky Jock Spock  Wrote: (05-17-2018 04:11 PM)
LoP Guest  Wrote: (05-17-2018 04:09 PM)
If they can entangle electrical circuits, then shouldn't we be able to build linked FTL communications devices?

Sort of like two-way radio? But only between the two specific radios entangled together?
Seems logical to assume!
What the COPS arrest them before they COULD Pep the Entanglement?
We all Know QUANTUM stuff is out there! But we lack the ability to see
it NAKED!

Human eyes lack the ability to do that, that is why we have
to use technology to do that.

[Image: UFO-Divider.gif]
(This post was last modified: 05-17-2018 04:15 PM by Яudis.) Quote this message in a reply
Adios
lop guest
User ID: 1337
05-17-2018 04:21 PM

 



Post: #5
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
Яudis  Wrote: (05-17-2018 04:15 PM)
Jinky Jock Spock  Wrote: (05-17-2018 04:11 PM)
Seems logical to assume!
What the COPS arrest them before they COULD Pep the Entanglement?
We all Know QUANTUM stuff is out there! But we lack the ability to see
it NAKED!

Human eyes lack the ability to do that, that is why we have
to use technology to do that.

I think the implications to Entanglement are what is behind the 'Mandela Effect'.
Quote this message in a reply
Яudis
Registered User
User ID: 1337
05-17-2018 04:24 PM

Posts: 6,441



Post: #6
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
Jinky Jock Spock  Wrote: (05-17-2018 04:21 PM)
Яudis  Wrote: (05-17-2018 04:15 PM)
What the COPS arrest them before they COULD Pep the Entanglement?
We all Know QUANTUM stuff is out there! But we lack the ability to see
it NAKED!

Human eyes lack the ability to do that, that is why we have
to use technology to do that.
I think the implications to Entanglement are what is behind the 'Mandela Effect'.
And I thing you could be very right about that.
-----------------------------------------------------------
Cuz if your not, then it is called a time quake!
Where space time events actually change,
and its not just individual perceptions of
time, events, change.

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ConspiracyGuy
lop guest
User ID: 1337
05-17-2018 11:31 PM

 



Post: #7
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
Bump
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LoP Guest
lop guest
User ID: 1337
05-18-2018 01:06 AM

 



Post: #8
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
Nearly



Rofl
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PopEye
⛔The Sailor Man⛔
User ID: 1337
05-18-2018 01:18 AM

Posts: 2,914



Post: #9
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
5 stars.

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LoP Guest
lop guest
User ID: 1337
05-18-2018 01:21 AM

 



Post: #10
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
LoP Guest  Wrote: (05-17-2018 04:09 PM)
If they can entangle electrical circuits, then shouldn't we be able to build linked FTL communications devices?

Sort of like two-way radio? But only between the two specific radios entangled together?

Yes then you would know what someone was going to say before they said it.

chuckle
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LoP Guest
lop guest
User ID: 1337
05-18-2018 01:23 AM

 



Post: #11
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
PopEye  Wrote: (05-18-2018 01:18 AM)
5 stars.

6 red dwarfs
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He Man
Another day in paradise
User ID: 1337
05-18-2018 01:24 AM

Posts: 8,815



Post: #12
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
Interesting stuff. 5* Hugs

Making LOP Great again since 06-07-2013!

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LoP Guest
lop guest
User ID: 1337
05-18-2018 01:26 AM

 



Post: #13
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
In a related story, a group of scientists "nearly" won the powerball lottery.

They could have won, had one of them remembered to by a ticket.
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LoP Guest
lop guest
User ID: 1337
05-18-2018 01:31 AM

 



Post: #14
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
He Man  Wrote: (05-18-2018 01:24 AM)
Interesting stuff. 5* Hugs

That's what they said when that looked inside the ark
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He Man
Another day in paradise
User ID: 1337
05-18-2018 01:40 AM

Posts: 8,815



Post: #15
RE: Scientists Have Nearly Seen Quantum Entanglement With The Naked Eye
LoP Guest  Wrote: (05-18-2018 01:31 AM)
He Man  Wrote: (05-18-2018 01:24 AM)
Interesting stuff. 5* Hugs

That's what they said when that looked inside the ark

They saw dinosaur poop. Scream1

Making LOP Great again since 06-07-2013!

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