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View Full Version : Help against yet ANOTHER Quantum Physics - observer effect argument!


-Fran-
8th August 2008, 04:54 PM
I am discussing things with a friend of mine via mail who have just given me this stuff about there being no objective reality... He said the following (my translation):

No no no! There is no objective reality. That's an illusion and a model that can no longer explain the universe. These ideas are called Quantum Physics and are soon a 100 years old. Niels Bohr explain with the Copenhagen Interpretation (yeah, you can google that) that we have an effect on what we study. The thing is that the quantum level is so tiny that it obeys completely different laws than our "reality" but they are still what builds our universe (as particles or waves, not both at the same time). Why not both at the same time? Because we have something that is called The Observer Effect (yeah you can google that). You see what you expect to see. That is science that has been proven empirically. The old philosophical question about if the tree that falls in the wood can be heard if noone is there to listen gets a totally new meaning in Quantum Physics. According to Quantum Phsyics there isn't even a tree then...

I know this isn't right. Right? But I need some info to read up on to be able to refute this in a good way. I'm sure this has been discussed on the forum before? There must be a good article that explains this in a good and simple way?

I surely don't claim to understand Quantum Physics very well, but something tells me he doesn't either? Am I right that he is misunderstanding this? I thought that the fact that Quantum Physics is so "tiny" as he puts it. is the reason why you can't draw such conclusions as that there is no objective reality, as he is doing. (The whole discussion came about because he thinks I am too negative about myself - you know self-esteem issues, and that I can "fix" that by affirmations and positive thinking, I can "change" my reality by focusing on other things. I thought he was talking major BS and said so, but not in those words of course, but in a nice way :) explaining my view of the world, and why I don't think that is something for me, and that's when he gave me this... thing above.

I'm starting to wonder if he was watched 'The Secret' and 'What the*bleep* do we know' (or whatever those films are called again...) because the ideas sounds a bit like what they seem to claim in those movies. But maybe he has just read Bohr and came to these conclusions anyway, I don't know.

Please help me suggest something good to read up on so that I can write a decent reply.

ETA:
I am searching the forum here myself too, though the forum seems extremely slow and uncooperative tonight, :( but I would be happy for all suggestions what to read and how to handle it.

PingOfPong
8th August 2008, 10:25 PM
You see what you expect to see. That is science that has been proven empirically.

This is the wrongest part of all your friend's message. I heard rumors about some dude who offers one million dollars for proof of claims like this. Your friend is likely talking about the unverified claims of PEAR or perhaps he is misinterpreting some experiment.

On the other points:

QM tells us that reality is indeed not objective. However, it does not tell us that reality is subjective but rather that it is probablistic.

The old philosophical question about if the tree that falls in the wood can be heard if noone is there to listen gets a totally new meaning in Quantum Physics. According to Quantum Phsyics there isn't even a tree then...

This is a meaningless interpretation. Let's say you are walking through the woods and find a fallen tree. The surrounding forest has been changed by the tree's fall. The grass under the tree has died from lack of sun and the wood has somewhat dried. You happen to be an expert botanist. By taking samples of sap you deduce that the tree must have fallen one week ago. If the tree didn't exist when it fell then that doesn't matter because it changes nothing. You still see evidence of an event that happened while you weren't there and so will the next visitor.

Every tree that falls may be affecting all of us in ways that we don't notice. It could change weather patterns via the butterfly effect. It would subtley change the force of gravity acting on us too. This is the same problem I have with Schroedinger's half dead half alive cat. You can't really isolate anything with a box. For example, the cat is emmiting heat from its body and EM radiation from it's nervous system. Even before you open the lid to see its state the result had to be known because it was affecting you in ways you weren't aware of.

QM shines when it's used to explain the behavior of particles on a small scale. A tree is not a particle. If the tree did behave like a particle and the only way to collapse its wave function was the use of human eye balls then after you leave the tree the next visitor could very well find it standing upright.

69dodge
8th August 2008, 11:16 PM
I surely don't claim to understand Quantum Physics very well, but something tells me he doesn't either? Am I right that he is misunderstanding this?

Yes, it sure looks that way.

The whole discussion came about because he thinks I am too negative about myself - you know self-esteem issues, and that I can "fix" that by affirmations and positive thinking, I can "change" my reality by focusing on other things.

It's possible that something like that could be helpful psychologically, even though it has nothing to do with quantum mechanics.

I'm starting to wonder if he was watched 'The Secret'

http://www.youtube.com/watch?v=usbNJMUZSwo

Jimbo07
8th August 2008, 11:47 PM
(The whole discussion came about because he thinks I am too negative about myself - you know self-esteem issues, and that I can "fix" that by affirmations and positive thinking, I can "change" my reality by focusing on other things.

Macroscopic objects (save superconductors and so forth) tend to behave classically.

You can, of course, change your reality (in a metaphorical sense) but affirmations and positive thinking have to be followed up by hard work*. Nothing quantum about it...


* I should note that I am not insinuating that anyone lacks the motivation to work hard. Rather, 'hard work' can also involve hard emotional work. It is something that in particular cases I have succeeded at, and in others, certainly failed.

idealist
8th August 2008, 11:50 PM
The whole discussion came about because he thinks I am too negative about myself - you know self-esteem issues, and that I can "fix" that by affirmations and positive thinking, I can "change" my reality by focusing on other things. I thought he was talking major BS and said so, but not in those words of course, but in a nice way :) explaining my view of the world, and why I don't think that is something for me, and that's when he gave me this... thing above.

Is your friend's evaluation of your self-statements accurate, or inaccurate?

It seems to me that the crux of your issue is not in quantum physics, but rather if you, personally, consider that you are too negative about yourself.

If you do not feel this way, then his entire argument is irrelevant, because as you stated, the foundation of the discussion arose from his personal observation of your behavior. He may have simply been inaccurate in his evaluation of your behavior.

-Fran-
9th August 2008, 12:16 AM
Is your friend's evaluation of your self-statements accurate, or inaccurate?

It seems to me that the crux of your issue is not in quantum physics, but rather if you, personally, consider that you are too negative about yourself.

If you do not feel this way, then his entire argument is irrelevant, because as you stated, the foundation of the discussion arose from his personal observation of your behavior. He may have simply been inaccurate in his evaluation of your behavior.

You're right, I would say, the discussion did float away into territories that I do feel have nothing to do really with what started it.

I would say that, yeah, I do tend to be a bit pessimistic, and yeah, sure I have some self-esteem issues, I am a bit shy in real life and like many people wonder if I am good enough in what I do sometimes, and look critically at myself in the mirror and things like that, and in conversations with him I did complain about some things about myself, you know, like you do sometimes, 'I wish I could loose a few pounds, I really don't like these photos of myself' and such. But I do feel he was blowing this "having a bad day whining :)" a little bit out of proportion, yes :) I feel he is now making it his "mission" to make me a positive shiny happy people type of woman still :) And not that I don't appreciate that he cares, but it soon turned into a mail exchange with several woo claims on his side and me refuting them as well as I could - which he took as yet another proof that I really am a much too negative person who needs to be more open-minded, and things kind of escalated from there :)

Niobe
9th August 2008, 12:21 AM
You see what you expect to see. That is science that has been proven empiricallyHow in the hell would we know then? If the results of our science are what we want out of that science, how can we trust the scientific result?

As for reality manifesting itself by your thoughts, why are super positive demolition crews not just WILLING the building to topple, instead of using expensive caterpillar machinery?

-Fran-
9th August 2008, 12:42 AM
Macroscopic objects (save superconductors and so forth) tend to behave classically.

That's what I thought, but I feel too insecure about what science actually agrees on, and where they differ with these things to write a good reply.


You can, of course, change your reality (in a metaphorical sense) but affirmations and positive thinking have to be followed up by hard work*. Nothing quantum about it...


* I should note that I am not insinuating that anyone lacks the motivation to work hard. Rather, 'hard work' can also involve hard emotional work. It is something that in particular cases I have succeeded at, and in others, certainly failed.

His first claim was something like this: that we create our own problems with our negative thinking. If I think I am too fat, my brain will seek out only the things that confirms this, and so I will see 'fat' no matter if I am or not, alternatively I will only seek things that make me fat and my negativity alone will create my own fatness. But since the brain can't differenciate between reality and what it thinks, I can fool my brain by repeating in every way that I am thin, and then I will eventually start seeking out only things that will make me thinner, alternatively, not see myself as fat anymore. This is "the give yourself positive affirmations method" right? I seem to recall reading something about this many years ago.

I replied with something rather similiar to what you said here and that I am skeptical that this method is anything for me. I also added that I don't think we can change reality in that way just by wishful thinking or by just repeating words to yourself, and that some things are an objective truth no matter how I subjectively percieve it. I took the weight-thing again as an example. If I weigh 250 pounds (I don't :) ) I am fat no matter how many times I tell myself that I am thin, and just fooling my brain won't make me thinner. Hard work will, as you said, but do I need to "fool my own brain" to do this work? It seems like an unnecessary roundabout way, to me, to just see things as they are, get a grip on myself and find motivation for the work needed. I argued also that even if it is surely no good to be too pessimistic, I don't think it helps to be too optimistic either and so maybe not see some things as they actually are.

That's when he protested wildly to that there is an objective reality to "see as it is", so my quoting him in the OP was basically his explanation of why positive affirmation works, if I understood him right, and that connection seems like woo to me. :boggled:

-Fran-
9th August 2008, 12:47 AM
How in the hell would we know then? If the results of our science are what we want out of that science, how can we trust the scientific result?

As for reality manifesting itself by your thoughts, why are super positive demolition crews not just WILLING the building to topple, instead of using expensive caterpillar machinery?

That's what I would like to know too, I'll ask him! It does seem as if he is contradicting himself here, doesn't it? Saying that it is scientifically proven that we (if what he says would be true) can not then, as a consequence, trust any scientific results. That's like saying that it's scientifically proven that you can't prove things scientifically :boggled:

-Fran-
9th August 2008, 12:50 AM
Yes, it sure looks that way.



It's possible that something like that could be helpful psychologically, even though it has nothing to do with quantum mechanics.

Yes, I can't see there would be any connection with QM whatsoever either. But I lack the proper words and knowledge to express this in a convincing way, I fear.


http://www.youtube.com/watch?v=usbNJMUZSwo

:D

Niobe
9th August 2008, 01:32 AM
If I think I am too fat, my brain will seek out only the things that confirms this, and so I will see 'fat' no matter if I am or not, alternatively I will only seek things that make me fat and my negativity alone will create my own fatness.

Talk to an anorexia patient. They internalized fatness and are as mentally invested you can get, even though they weigh 45 kilos.

An anorexia patient, thinking she is fat for every lettuce leaf that passes her mouth, she doesn't actually quantumgain herself into fatness.

Mashuna
9th August 2008, 05:34 AM
There are some clever folk in the Science and Medicine section who would be able to put you right on all of this.

As to the 'particles or waves' quote, someone recently (I think it was Matteus Maximus) posted a good explanation - I'll try to paraphrase and hope I don't get it wrong.

Imagine you've gone to a planet where they have H2O, but only as ice or steam. You're trying to explain to them what water is. So you tell them that you can move your hand through it, like steam. But you can put it in an open container and it will stay in one place, like ice. It has qualities of both, but isn't either. The only way we explain it is through similies, because it's easier to picture, but to understand it fully you need to know the maths.

Niobe
9th August 2008, 06:44 AM
As for the observer effect and the metaphysical tree, plenty of people in accidents never observed the oncoming truck running a red light, but not observing it has no bearing on the inevitable collision.

-Fran-
9th August 2008, 07:04 AM
Talk to an anorexia patient. They internalized fatness and are as mentally invested you can get, even though they weigh 45 kilos.

An anorexia patient, thinking she is fat for every lettuce leaf that passes her mouth, she doesn't actually quantumgain herself into fatness.

Good point! If his theory would be true, we would see some rather weird things happen to people who genuinely believe very strange things because of different illnesses.

-Fran-
9th August 2008, 07:10 AM
There are some clever folk in the Science and Medicine section who would be able to put you right on all of this.

Yes of course... stupid me :boxedin: I should have posted it there! I was just thinking he was being woo all over so it fitted here :) but I would still need real science to retort with so I should have asked there.


As to the 'particles or waves' quote, someone recently (I think it was Matteus Maximus) posted a good explanation - I'll try to paraphrase and hope I don't get it wrong.

Imagine you've gone to a planet where they have H2O, but only as ice or steam. You're trying to explain to them what water is. So you tell them that you can move your hand through it, like steam. But you can put it in an open container and it will stay in one place, like ice. It has qualities of both, but isn't either. The only way we explain it is through similies, because it's easier to picture, but to understand it fully you need to know the maths.

Thanks! Someone like me would need every simile there is, I think :) And I will make sure to ask him if he can give me the actual math behind his claim, and tell him that even if I can't verify its validity myself there's people I can ask to.

-Fran-
9th August 2008, 07:24 AM
This is the wrongest part of all your friend's message. I heard rumors about some dude who offers one million dollars for proof of claims like this. Your friend is likely talking about the unverified claims of PEAR or perhaps he is misinterpreting some experiment.

I will ask him exactly where he has got his ideas, that might shed some light on things, as for now I only know he has read Bohr, or about Bohr.


On the other points:

QM tells us that reality is indeed not objective. However, it does not tell us that reality is subjective but rather that it is probablistic.

This sounds interesting but I must admit I don't quite get it. Could you explain it a bit further?


[...snip...]

QM shines when it's used to explain the behavior of particles on a small scale. A tree is not a particle. If the tree did behave like a particle and the only way to collapse its wave function was the use of human eye balls then after you leave the tree the next visitor could very well find it standing upright.

Thanks. Yes that was what I wanted to say to him, that even if a "big" thing like a tree is made out of "small" things like particles it does not follow that the rules that apply to how particles behave on a small scale will in any way effect tings on a larger scale. But I wanted to be sure that I got that right, that science today have in fact not empirically proven that it should have such effects?

I read this article
http://discovermagazine.com/2005/jun/cover/article_view?searchterm=quantum%20physics&b_start:int=0

And it seems to be about why you can not draw similiar conclusions as my friend did (why an electron can be in two places at the same time but a human can't) and a suggestion on why this is, IF I understood it right!!

RichardR
9th August 2008, 01:33 PM
The Copenhagen Interpretation is just an interpretation of QM - something to help you understand the theory, but not actually part of the theory. It can't be falsified (tested to see if it false), which is why it's not a scientific theory, and why it certainly is not science that has been proven empirically. (You can tell it's not part of the theory because it's called The Copenhagen Interpretation, not The Copenhagen Theory.)

Once you understand that, you can pretty much dismiss everything else your friend is claiming. QM is not telling us this is the way the world is.

-Fran-
9th August 2008, 02:08 PM
The Copenhagen Interpretation is just an interpretation of QM - something to help you understand the theory, but not actually part of the theory. It can't be falsified (tested to see if it false), which is why it's not a scientific theory, and why it certainly is not science that has been proven empirically. (You can tell it's not part of the theory because it's called The Copenhagen Interpretation, not The Copenhagen Theory.)

Thanks!! I'll be sure to bring that up!


Once you understand that, you can pretty much dismiss everything else your friend is claiming. QM is not telling us this is the way the world is.

I was on my way to do that at once I read it :) But then I realized in the next second that I should actually read up, and ask around about it a bit myself first :o But yes, all that he has written to me so far seems to be based in the claim I quoted in the OP. He wrote a couple of long mails with a lot of stuff in them, but I really wanted to address this.

ExMinister
9th August 2008, 08:25 PM
I also really think positive thinking can make a big difference in the way a person views the world and feels about themselves, and this in turn can affect the way other people perceive them, too. But that's something separate than the quantum physics claims he's making, and there isn't anything magical about it. It's more like common sense to me, that we can choose how we view ourselves and the things that happen to us to some extent, spinning them in a positive or negative light.

It seems like I recently read somewhere how the observer effect is misunderstood. Something like: Woo seems to think the observer is influencing the results of the experiments by their consciousness, whereas the observer effect is actually related to the fact that in quantum physics different types of measurement produce different effects (i.e. the WAY they are doing the observing is what makes the difference, not what they are THINKING). I may not have that exactly right but I think that's the general idea.

PingOfPong
10th August 2008, 12:07 AM
[QUOTE=-Fran-;3932088]
This sounds interesting but I must admit I don't quite get it. Could you explain it a bit further?
[\QUOTE]


I just meant that at a fundamental level we cannot say anything for certain about the state of the universe. That doesn't mean the universe depends on our interpretations (subjective). We can predict the probabilities of which state a system will be in and that's as good as it gets. It seems to be a hard limit on our capabilities as creatures made of the stuff of this cosmos.

DarthFishy
10th August 2008, 03:22 AM
Lols I wrote a blog post about this idea a while ago. Lemme quote some bits:

How does a person's smallest organ for perception and awareness (a single neuron) detect something probably a million times smaller than itself?

To put this into perspective the radius of an atom (remember the level quantum mechanics operates at) is a thousand times smaller than the wavelengths of light.

Basically I looked at the scope at which Quantum effects manifest (i.e. on the picometer level) and at the scope at which a neuron functions (i.e. on the micrometer level).

I think people do not realise just how incredibly ***** small the scope is that quantum effects manifest at.

osmosis
10th August 2008, 04:19 AM
His first claim was something like this: that we create our own problems with our negative thinking.

I don't suppose your friend recently finished watching "The Secret"?

That is SO last week's B.S.

Tell your friend that there is much fresher B.S. to spread around, and s/he should get with the B.S. times.

-Fran-
10th August 2008, 05:20 PM
I don't suppose your friend recently finished watching "The Secret"?

That is SO last week's B.S.

Tell your friend that there is much fresher B.S. to spread around, and s/he should get with the B.S. times.

:D

I suspected that he has so I asked him where these ideas came from, and thought that if he answers "The Secret" I will have a few links ready, but I have got no reply at all so far.

-Fran-
10th August 2008, 05:27 PM
I just meant that at a fundamental level we cannot say anything for certain about the state of the universe. That doesn't mean the universe depends on our interpretations (subjective). We can predict the probabilities of which state a system will be in and that's as good as it gets. It seems to be a hard limit on our capabilities as creatures made of the stuff of this cosmos.

Ahh, OK, now I understand better, thanks.

Yeah, I guess it's so. And I am fine really with him thinking what he wants about the universe (what's it to me after all), but that he based his ideas on QM... I couldn't refrain from checking up on that, and get back to him about that detail.

-Fran-
10th August 2008, 05:34 PM
I think people do not realise just how incredibly ***** small the scope is that quantum effects manifest at.

I agree, this is a common problem I think. I admit that I, as many people, often have trouble with really understanding 'very small', 'very big', 'very old' and so on. Of course it's hard visualizing the size of the universe, or the age of it and so on. But some people have a bigger problem with this than others it seems. Like YEC-people thinking it's not strange at all to claim that the earth is around 10 000 years old, and how they can't grasp how much time some geological processes actually need.

-Fran-
10th August 2008, 05:47 PM
I also really think positive thinking can make a big difference in the way a person views the world and feels about themselves, and this in turn can affect the way other people perceive them, too. But that's something separate than the quantum physics claims he's making, and there isn't anything magical about it. It's more like common sense to me, that we can choose how we view ourselves and the things that happen to us to some extent, spinning them in a positive or negative light.

Yes, I agree, positive thinking in itself doesn't necessarily have to be woo, and he also said in the beginning that he meant it this way and that he didn't claim it was anything "magical" at all. I agreed with him about positive thinking in general not being magical (as he put it), but said that I was neither interested in, or believed in the methods he wanted me to use. And then as the discussion went on things that he said started to be more and more wooish and finally ended in him connecting it all to QM, and just as you say that's something else... The tricky thing is that even though things became more and more woo, he didn't realize this. He thinks all his ideas are well rooted in science and according to him he didn't talk magic in the beginning and he still did not talk magic in the end... I agreed with the former but definitely not with the latter :)


It seems like I recently read somewhere how the observer effect is misunderstood. Something like: Woo seems to think the observer is influencing the results of the experiments by their consciousness, whereas the observer effect is actually related to the fact that in quantum physics different types of measurement produce different effects (i.e. the WAY they are doing the observing is what makes the difference, not what they are THINKING). I may not have that exactly right but I think that's the general idea.

Yes. I made a similar thread in the science forum (maybe this thread should be moved and merged with that one?) and someone there said something similar. He seems to have misunderstood this in just this way, and it annoys me somewhat that he tells me (several times) to google this stuff to see for myself that he is right :rolleyes: I mean, it doesn't really looks like he has been googling stuff himself because then he would sure have found out sooner or later that he has misunderstood this.

schlitt
10th August 2008, 11:12 PM
See if you can get a copy of "The unconscious quantum" by Victor Stenger.
That may be of help. I bought a copy off amazon recently, it is a great book that deals with a lot of the quantum woo in the new age community.

-Fran-
10th August 2008, 11:19 PM
See if you can get a copy of "The unconscious quantum" by Victor Stenger.
That may be of help. I bought a copy off amazon recently, it is a great book that deals with a lot of the quantum woo in the new age community.

Thanks for the tip. Even if he doesn't want to discuss this with me anymore (I'm still waiting for a reply) I would like to learn a bit more about this for my own sake. It will go on my books to get-list.

DarthFishy
11th August 2008, 12:52 AM
I agree, this is a common problem I think. I admit that I, as many people, often have trouble with really understanding 'very small', 'very big', 'very old' and so on.

Oh yes indeed. I count myself as one of those people as well. I was just amazed, as I was browsing through wikipedia, about how small some of these things really are. It's actually quite impossible to wrap your head around some of these concepts.

Which is where I think the problems come in. To be able to understand something like Quantum Physics we use maths, but if you can't follow the math you have to use some kind of metaphor or analogy. And unfortunately these metaphors are pretty much a pale imitation of what is really going on. Of course people read (or hear) about these metaphors and think that it accurately explains the phenomenon and then bring their own interpretation as well.

Result: Woo.

ExMinister
11th August 2008, 08:01 AM
Yes. I made a similar thread in the science forum (maybe this thread should be moved and merged with that one?) and someone there said something similar. He seems to have misunderstood this in just this way, and it annoys me somewhat that he tells me (several times) to google this stuff to see for myself that he is right :rolleyes: I mean, it doesn't really looks like he has been googling stuff himself because then he would sure have found out sooner or later that he has misunderstood this.

I believed this for a long time myself so I know how convinced your friend probably is. Like your friend I really thought there WAS lots of scientific support for it all because there are scientists supporting it! (Fred Alan Wolfe, A. Goswami, Fritjof Capra, that water crystal guy, M. Emoto to name a few, and MDs and PHds like Chopra and Lynne McTaggert). Not until I came here did I realize that even within the science field, you have to be careful and that all scientific research is not created equally, and an expert in one area of science is not necessarily an expert in another. It can be a minefield out there for those who are only just barely knowledgeable about science.

But the thing I don't get is physicists supporting goofy interpretations of quantum physics. Wouldn't you think THEY would know better?!

-Fran-
11th August 2008, 07:47 PM
But the thing I don't get is physicists supporting goofy interpretations of quantum physics. Wouldn't you think THEY would know better?!

One would think so :boggled:

I believed this for a long time myself so I know how convinced your friend probably is. Like your friend I really thought there WAS lots of scientific support for it all because there are scientists supporting it! (Fred Alan Wolfe, A. Goswami, Fritjof Capra, that water crystal guy, M. Emoto to name a few, and MDs and PHds like Chopra and Lynne McTaggert). Not until I came here did I realize that even within the science field, you have to be careful and that all scientific research is not created equally, and an expert in one area of science is not necessarily an expert in another. It can be a minefield out there for those who are only just barely knowledgeable about science.

Yes, I see what you mean, and I don't want to sound harsh.

We live in a time when there is an onslaught of information from all directions showering over us constantly, and it demands much of us these days to wade through all of that and filter out the valid stuff from the sheer nonsene. It's impossible for that matter for any one single individual to check out and test everything for ourselves, and we have to trust the ones with more specialized knowledge to tell us the right info. And as you say, when we can't even trust them not to be gullible, what do we do?

I guess there isn't a full proof system to guarantee we always will get the best info, and none of us are really 100% immune against getting fooled now and then. But there is still quite a lot that we ordinary every day people can do to sort all this information a bit better and minimize the risk of getting fooled by this and that. Teaching our kids critical thinking is a good start I guess.

Many people do know to be sceptical in some situations but aren't a least bit skeptical in others. They won't believe everything a used car salesman say, but they believe the local tarot card reader... So they have the potential, but it is other factors that stops them from applying it to other parts of their lives. Factors such as traditions, social factors, lack of education in different subjects, the prejudice that it is not a positive or nice thing to be skeptical (my friend referred to it as "Mr. Spock-people" - logical people with little sense of humor and feelings). And many other factors too.

That you once believed these things does not really matter (we can all fall for things) what really matters is that you were open to learning and discarding what turned out to be wrong.

What really annoys me about people such as my friend isn't really that he believes these things, or that he didn't recognize faulty information, but that he doesn't seem to want to learn and discard. Well, I won't say too much yet, I'm prepared to give him the benefit of the doubt and not judge him right away, he might still reply and be... well, openminded!! But he did give some rather telling examples of typical woo behaviour such as saying I am not open-minded when I didn't accept some of his wooish talk, and when I wrote the reply to the things he said in the OP, telling him about the common misunderstandings about QM... well, I have still not got a reply, and something is telling me I will not get a 'thank you' even if I do get a reply.

Believing weird things is understandable - rejecting knowledge when offered it... I don't get that :confused: But maybe he isn't rejecting it, maybe he just needs time to process things. I don't know.

I am no expert of anything, but only during my one year stay at this forum I have learnt SO much about how to get better at separating valid stuff from nonsense, and I would gladly have taught him the little I know so that he could set himself on his own self-learning journey.

But so far it looks like he doesn't want to, and my tries to at least make him aware of the risks you mention and so on, have been met with basically telling me I have such a pessimistic and skeptical outlook on life that I can't be taken seriously.

You are right, this world is full of traps, it's not easy, but if people also wants to fall in them... *sad shrug*

Be that as it may, maybe my whole approach could have been better, I know I am not very good at these things, I mean talking with people about things like this. But, well...