Is there a crackdown on speculative posts?

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There is a growing concern about the moderation of speculative posts on Physics Forums (PF), with some users feeling that the platform is becoming overly restrictive. Notably, individuals like Caroline Thompson and Eugene Shubert have faced bans for presenting non-standard ideas, raising questions about the forum's commitment to open discussion. Moderators emphasize the importance of maintaining high academic standards, which leads to the removal of posts deemed overly speculative or lacking scientific foundation. The forum aims to differentiate between sound speculation and unfounded claims, often directing less rigorous discussions to the Theory Development subforum. Overall, PF is striving to be a reputable platform for serious scientific discourse, prioritizing accuracy and peer-reviewed content.
  • #51
Tom Mattson said:
Again, I beg to differ. We are actively working on attracting more experts in our weak areas. And if we are successful, and those experts find an unmoderated free-for-all, they would certainly not stick around. That is why I maintain that your ideas on how PF should be run are a recipe for certain failure. We would not become what we want to become if we were to follow them.
I can't agree more. The surest way to attract serious scientists is to simply eliminate TD and make no excuse for it.
 
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  • #52
chronon said:
The trouble from my point of view is that there are often questions posted of the form 'I've read (in a popular science book), that such-and-such is the case, but it doesn't seem quite right'. My reply is generally, 'No it isn't right, don't always believe what you read in popular science books'. Unfortunately, this makes what I am writing look decidedly non-mainstream, and I often get into arguments with the "Science experts"
Something in a "popular" science book, if incorrect, can be refuted by reference to appropriate peer-reviewed sources. We frequently encounter such things over in the biology forum, indeed, such a question arose this past week, and that is how it was handled. Someone read something on an internet site which was backed up by some popular book, but when we went delving into the literature, there was nothing to support it, and some articles that clearly refuted it. We also quickly de-bunked the credentials the author of the book was claiming. In the process, we gained some knowledge about practical issues in toxicity studies. This was a useful exercise because there are sites all over the internet using that one popular book as the basis for their erroneous claims. However, we didn't just dismiss it out-of-hand, we dug into the relevant literature to determine whether there was any validity to the claim, even if it was outdated studies with conclusions that have been rejected by more current studies, and then to support the arguments against it.

she clearly does know enough physics to make a reasonable sounding argument
Again, I'm not going to respond regarding the specific person you keep bringing up, but to this statement in general. This is exactly what we're trying to keep in check, those who know just barely enough to make a reasonable sounding argument to those who do not know the subject in depth (i.e., students and those without formal scientific education), but that is not reasonable to those who do know the subject. These are the more dangerous posts, because they are not so outlandish to the lay reader as to be obviously wrong, so they need the assistance of those with scientific training to point out why they are wrong.

People with non-standard ideas have to be arrogant in promoting them
No, there is no place for arrogance here. Perseverant is always a good trait, and that means if your idea is rejected one place or you find it's not acceptable for discussion somewhere else, you continue to move along and find the place where people will listen, and you keep refining your argument to make it more convincing if it's not convincing yet. If your theory does have merit and you're not communicating that to others and arrogance is preventing you from admitting you might be doing something wrong or not explaining it adequately or that maybe there is a flaw in it somewhere, then you're just spinning your wheels and wasting everyone's time, including your own.

Maybe the expertise in the physics section will improve, but I don't see this being helped by more aggressive moderation, especially when this moderation can seem somewhat arbitrary.

As has been pointed out by others already, this is an important reason to define what our limits are and to maintain discussion within those limits so we don't lose the ability to sort the wheat from the chaff when the discussion extends beyond the limits of our expertise. This is actually a very good reason why even legitimate, well-grounded new theories would not be appropriately included here until they've passed muster of the peer-review process where appropriate experts have determined it to be a legitimate, well-grounded theory. If someone is having difficulty understanding why their new theories, still under development, should be presented at a scientific conference or to colleagues with expertise in their area rather than on an internet forum that may not have a critical mass of experts in their area, then I have to question their ethics in releasing something to the general public before it has been appropriately modified and verified by other experts. That's simply not responsible science.
 
  • #53
You may want to read ths thread before continuing the disscussion being held here.
 
  • #54
chronon said:
Expertise
I'm sorry that this is going to sound insulting, but PF doesn't have a great amount of expertise in physics (The situation in the Mathematics section is better). In my arguments with the "Science experts" I have found myself wishing that a real expert would come along and set things right. For instance the idea of 'stretching space' in cosmology seems to be thought of as the only way to explain things here, but that doesn't match with what a real expert has to say: http://www.astro.ucla.edu/~wright/cosmology_faq.html#MX

Maybe the expertise in the physics section will improve, but I don't see this being helped by more aggressive moderation, especially when this moderation can seem somewhat arbitrary.

You need to give an example of an expert, mainstream physicist that was scared off by the so-called heavy-handed moderation of this site. If anything, the fewer crackpots, the more attractive this site becomes to experts and legitimate physicists.
 
  • #55
chronon said:
Expertise
I'm sorry that this is going to sound insulting, but PF doesn't have a great amount of expertise in physics (The situation in the Mathematics section is better). In my arguments with the "Science experts" I have found myself wishing that a real expert would come along and set things right. For instance the idea of 'stretching space' in cosmology seems to be thought of as the only way to explain things here, but that doesn't match with what a real expert has to say: http://www.astro.ucla.edu/~wright/cosmology_faq.html#MX
Thank you for your frank and interesting comments.

Would you be so kind as to let us know which of your post(s) you are referring to here ("For instance the idea of 'stretching space' in cosmology seems to be thought of as the only way to explain things here, but that doesn't match with what a real expert has to say:[/color]")?

I looked back over your posts, and the only ones I found that seemed to me to be related were posted in the S&GR section, not the General Astronomy&Cosmology one. Further, the topics were addressed by folk who have clearly demonstrated their understanding of GR, in a manner not inconsistent with what's on Ned Wright's webpage.
Tom_Mattson said:
I beg to differ. We many have staff members and regular members who hold doctorates in physics (atomic, condensed matter, high energy, among other fields). What we lack (and we freely admit this) is comparable expertise Cosmology and Earth Sciences.
We could certainly do with folk with deep expertise in Earth and planetary sciences, comparable to expertise you reference in various areas of physics Tom.

What we, here in PF, lack in cosmology (and some areas of astrophysics?), IMHO, is clarity on demarcation. As Garth's post made clear, if the publication of many peer-reviewed papers on an internally consistent theory, for which a good case for matching good observational results is made well, constitutes 'mainstream', then MOND and SCC qualify. OTOH, it is widely recognised in the community (including by their own supporters) that both are 'alternative' ... to the concordance model. (For the avoidance of doubt, let us be clear that neither SCC, nor MOND, nor the concordance model is a 'perfect fit' to ALL good observational and experimental results; observational cosmology is a young branch of astrophysics :smile:).

As Integral has noted, PF is in the process of changing its policy re content that is outside the mainstream; perhaps we could continue our discussion there (as Integral suggests)?
 
  • #56
Nereid said:
Thank you for your frank and interesting comments.

Would you be so kind as to let us know which of your post(s) you are referring to here ("For instance the idea of 'stretching space' in cosmology seems to be thought of as the only way to explain things here, but that doesn't match with what a real expert has to say:[/color]")?

I looked back over your posts, and the only ones I found that seemed to me to be related were posted in the S&GR section, not the General Astronomy&Cosmology one.
Well OK, maybe it was just in the Where did the energy in the CMB go to? thread that I got into this argument. I said the same things in The thread thread but there it seemed that I was more on the side of orthodoxy. I was away for some of the discussion of the Lineweaver SciAm article, so never got into my stride. But my point isn't claiming that I have been treated badly - I expect to have to argue my points. Rather I'm not happy that people have been criticised for what seems to me to be much the same thing.

I agree 100% that anyone putting forward a non-standard idea will need to have theoretical knowledge to back it up, and that will include understanding the theory that they are trying to disprove. Anything along the lines of 'well I don't understand this theory so it must be wrong' is a sure sign of a crackpot. However, PF doesn't require a theory exam in order to join, and it seems unfair to criticize posters for not demonstrating sufficient theoretical ability.

I stick by my claim that if you have a new idea then you need arrogance to get people to listen to it. Call it perseverence if you will - of course we agree that there is no place for people who become abusive when their ideas are rejected - but perseverence is likely to look like arrogance to other people. As for writing 't' with a straight or curved stem - well the point there is that it doesn't really matter. And you don't argue with a room full of professionals because by its nature professionalism requires consistency rather than continually trying out better ways to do things.

I know that unmoderated forums such as sci.physics quickly fill up with junk, which is why I stay away from such forums. I agree the moderators in PF do a excellent job in keeping the posts reasonable without interfering with the flow of discussions. I'm not arrogant enough to claim that I could do it any better, so I'll shut up now.
 
  • #57
Thanks chronon, I hope you stick around.
I stick by my claim that if you have a new idea then you need arrogance to get people to listen to it. Call it perseverence if you will - of course we agree that there is no place for people who become abusive when their ideas are rejected - but perseverence is likely to look like arrogance to other people.
[nitpick]you say 'tomato', i say 'tomato'; 'arrogance' is like beauty (in the eye of the beholder), 'perserverence' is like anger (in your guts).[/nitpick]

That perserverence was a personal quality of great help to many, many people who have made good contributions to physics (and cosmology, and science in general), over the centuries is incontrovertable :biggrin:

Indeed, IIRC, there is debate among those interested in HPS as to the role of 'pig-headedness' in the engine room of science - there are not a few examples of a 'persistent' scientist plugging away on an idea even though it was most certainly 'non-mainstream' (and possibly even 'falsified' by 'good' experimental or observational results) ... and 'emerging victorious'.

The distinction between such heroines (and a few heros too no doubt) and ~99% of what you can read in PF's TD is the recognition (by our heroines) of the need to roll up their sleeves and get on with the hard yakka - doing the OOM calculations, developing the theoretical framework, crunching the numbers, building the equipment and doing the experiments, making quantitative predictions, and so on.
 
  • #58
Philosophy of science, Nereid? Well stated. Science is what is left after alternatives are ruled out by the preponderance of evidence.
 
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  • #59
juvenal said:
You need to give an example of an expert, mainstream physicist that was scared off by the so-called heavy-handed moderation of this site.
lethe
...
 
  • #60
lethe said:
lethe
...

Obviously not scared enough to resurrect a 3 month old thread :-p
 
  • #61
lethe said:
lethe
...
But he's going to stay here and teach us differential forms. :wink: So welcome back!
 
  • #62
Not likely, because we won't wet poor wittle wethe use curse words here. :cry:
 

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