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#3 - Nope, doesnt work.  [+] (1 reply) 11/24/2016 on Memedrive destroys a mans... +6
#4 - philxxmlghaxnippon (11/24/2016) [-]
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Best I can do: stanford.library.sydney.edu.au/entries/qm-copenhagen/
#1 - ..Copenhagen interpretation? Englighten me on this ja…  [+] (17 replies) 11/24/2016 on Memedrive destroys a mans... +42
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#5 - lordlolland (11/25/2016) [-]
The Copenhagen interpretation is a competing theory on how quantum mechanics work.
You know Shrodinger's cat? The thing about locking a cat in a box and killing it? It is actually relevant here!

For exactly one hour, you lock a cat in a perfectly sealed box with a piece of material that has an exact 50/50 chance of emitting radioactivity in the next hour and a radioactivity detector that upon detecting radioactivity will trigger a hammer to smash a flask of poison and kill the cat.
Now there is a 50/50 chance the cat is dead when you open the box, and this is where the interpretations of quantum mechanics come up:

The Copenhagen Interpretation dictates that we can never truly "see" the universe as it is. Everything is a superposition of every possible outcome until we measure it and "force" an outcome. So until we open the box, the cat is both alive and dead and by opening and measuring the deadness by observing the cat, we "force" nature to make a choice and collapse the superposition.

The Many worlds interpretation, a competing theory, dictates that when nature is faced with a "choice" such as whether the cat dies or not, it will split into separate realities. It will split whether you look or not, but one version of you will see a dead cat and another will see an alive cat. Meanwhile third version of you will die of a heart attack before he open the box, and a fourth will decide that the experiment is cruel and release the cat to pet it instead.

There are many other theories, and the two I presented are very crudely explained.
But this is the best I can explain it because its as far as I understand.
#24 - anon (11/25/2016) [-]
Lots of words to say "we don't know"
#21 - moocowsz (11/25/2016) [-]
Reminds me of a very good game series. You should look it up.

it's called 999, and the third game delves deeply into this theory, though they all do to some degree.

Pic related, it's the first game.
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#39 - Lloydles (11/25/2016) [-]
that game is horrible. really fuckin well done
#40 - moocowsz (11/25/2016) [-]
#6 - lurkerfox (11/25/2016) [-]
I just wanted to point out that people tend to misuse Schrodinger's cat. It was a thought experiment to DISPROVE the copenhagen interpretation by pointing out the absurdity of it.

The copenhagen interpretation says the cat is both dead and alive until we observe it but of course that doesnt make sense. It cannot be dead and alive at the same time, either the radiation was emitted or it wasnt, observance has no effect on the outcome.

Schrodinger is rolling in his grave over how people are using his thought experiment in support of the copenhagen interpretation.
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#11 - valax (11/25/2016) [-]
Can you back this up with some sauces or proof?
I would love to believe you.
#15 - lurkerfox (11/25/2016) [-]

You could also just read the original publication, but its in german and a lot of places sell it for like $40, theres probably a free english version floating somewhere but I havnt looked hard for it.

Like seriously it isn't some great secret or anything, its simply a case of word of mouth bastardizing the original intent of the thought experiment.
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#37 - failijaili (11/25/2016) [-]
this guy
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#16 - valax (11/25/2016) [-]
I always thought the experiment was retarded when people claimed it somehow made the cat dead and alive at the same time.

It's a shame how people are just eager to believe anything they hear without giving it much thought.

Kind of like saying the sun doesn't exist and does exist at the same time if you close your eyes.
#17 - lurkerfox (11/25/2016) [-]
Well now you can take comfort in knowing that Schroedinger thought those people were retarded as well and completely missed the point.

Course die-hard copenhagen people still latch on to it anyways, but at least they arent deluded into thinking Schroedinger actually supported it, they merely think he was just wrong.
#31 - donkeydk (11/25/2016) [-]
People use the shrodinger's cat to describe the copenhagen interpretation to retards, not validate it.
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#27 - ChewyConor (11/25/2016) [-]
Correct me if I'm wrong, but I thought that in order to have the two-situations simultaneously occurring there needs to be no observation whatsoever.

So not just opening the box, but any light hitting the insides of the box, any gas pressure fluctuations, any energy change of any kind, any particle hitting the setup that could even comprehensibly be measured.

It doesn't have to just be unobserved by the experimentor, but have had no mechanism of observation whatsoever acting upon it.

So as far as the cat experiment goes, the whole concept of the experiment is absurd as you would need a box capable of blocking literally all energy. Therefore of course the outcome of an absurd experiment is an absurd conclusion.

The other counter thought is that quantum mechanics doesn't translate logically into the macro world in any other situation, so why would one expect it to do so for this experiment?
The whole idea of quantum mechanics makes no logical sense applied on a macro scale.

So yhe interpretation is that yes, in a perfect (impossible) experimental setup the cat would be alive and dead at the same time, but a whole bunch of other fucky shit would happen if it were possible to scale up quantum mechanics.
#33 - anon (11/25/2016) [-]
"The other counter thought is that quantum mechanics doesn't translate logically into the macro world in any other situation, so why would one expect it to do so for this experiment?"

That's what Schroedinger was attempting to prove with his thought experiement: that quantum mechanics falls apart on a macro scale. From the wiki: "According to Schrödinger, the Copenhagen interpretation implies that the cat remains both alive and dead until the state is observed. Schrödinger did not wish to promote the idea of dead-and-alive cats as a serious possibility; on the contrary, he intended the example to illustrate the absurdity of the existing view of quantum mechanics."

The existing view of quantum mechanics at the time was one that accepted a dead-and-alive cat or an exploded-and-unexploded keg of gun powder. And while advances and interpretations since then (1935) have begun to allow for the possibility, applying our modern day understanding of quantum mechanics to the original Schrödinger's cat is erroneous. We now know and accept that quantum mechanics fits into the overall understanding of how our universe works, but can't be applied universally. Back then they didn't know that.
#2 - philxxmlghaxnippon (11/24/2016) [-]
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Not sure if you can access this link without being a member of a faculty in AAU, but here's what I could find...
I'm too lazy to find the direct link, so tell me if it doesn't work
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#3 - mcmanybucks (11/24/2016) [-]
Nope, doesnt work.
#4 - philxxmlghaxnippon (11/24/2016) [-]
**philxxmlghaxnippon used "*roll picture*"**
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Best I can do: stanford.library.sydney.edu.au/entries/qm-copenhagen/
#8 - Middle Jutland ;_; I've been to a halloween thing tw…  [+] (1 reply) 11/24/2016 on Woo hiatus-time 0
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#9 - krobeles (11/24/2016) [-]
Ah. I guess you could be worse off. North or south Jutland would be a bit worse...
I live in the heart of Copenhagen. Some bars even host their own Halloween parties here.
#12 - Im not sure how much longer I can handle this emotional breakdown..  [+] (3 replies) 11/24/2016 on True Friends +43
#21 - dohickey (11/24/2016) [-]
Who made this
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#27 - mcmanybucks (11/24/2016) [-]
Some guy on /r/StarVStheForcesofEvil/
#17 - blacksteell (11/24/2016) [-]
first the post made me sad then i saw your picture and bust out laughing