Questions tagged [duplicates]

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2answers
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duplicate questions

Who should the onus fall on to check if a question has already been asked, the person who asks the question (who may not have much background in the question they are asking) or the person answering ...
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How to deal with answers to duplicates?

Questions which have been (or are in the process of being closed as a duplicate) often get answers posted anyway. What's the best way to deal with these answers? The problem with upvotes (even to ...
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2answers
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Canonical question for two masses falling in Newtonian gravity

Some variation of this question gets asked a lot: We have 2 point masses, $m$ and $M$ in a perfect world separated by radius $r$. Starting from rest, they both begin to accelerate towards each ...
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Suggestion: sticky posts for topical questions

I'm pretty new here but I was struck by the number of duplicate questions about gravitational waves in the wake of the LIGO discovery a few days ago. This lead me to wonder, perhaps not uniquely, ...
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1answer
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“This question may already have an answer here” warning

I have searched meta questions, but I find nothing about what is necessary to do to have the yellow This question may already have an answer here text removed from one's post. It has appeared at the ...
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0answers
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Redirecting questions related to basic definition/misunderstanding of entropy and black holes

Every 2-3 days a question pops up on the site related to basic definition/misunderstanding of entropy/black holes. In the process of searching for related questions, I find that there are many answers ...
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1answer
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Adding an answer to a duplicate

I recently asked a question Backyard experiments to falsify the Flat Earth theory which has become much more popular than I originally anticipated, and has since been closed as a duplicate of What is ...
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1answer
105 views

What can we do about imperfect transitivity in marking duplicates?

Consider the following chain of questions, presented in chronological order: Redshifting of Light and the expansion of the universe Have red shifted photons lost energy and where did it go? Do ...
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Car Color-Temperature Duplicate Declined

The question from today How much difference to interior temperature would a white car roof make? says essentially "My car is hot so I'm thinking of painting the roof white. How much would that affect ...
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1answer
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When is asking a duplicate ok?

This question: Kinetic theory derivation of viscosity of a gas has an accepted answer. That answer, however, does not contain the amount of detail that I want for a specific part of the question. I ...
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Duplicate of closed question? [duplicate]

Why do bosons and fermions exist? (or, question A) is currently nominated to be closed as a duplicate of Why must fermions be antisymmetric? (question B). This seems fair at first glance, since the ...
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1answer
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Wrongly marked as duplicate

This question that was wrongly marked as duplicate (has been reopened since) to this question . The marked one asks "How can the unstable particles of the standard model be considered particles in ...
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2answers
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Can I ask a question that has duplicates, with answers none of which I can understand?

I want to ask a question about the Hierarchy Problem and I searched for previous questions. Each of the duplicates has 1 single answer each, and none of the answers is pitched at my own level, (which ...
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Are sophisticated Astrophysics Q's better asked in the Physics SE or Astronomy SE?

My interests primarily pertain to Astrophysics (and Astrochemistry). This subject appears to have two masters: Physics SE and Astronomy SE. How do I decide where to post, and how would you ...
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How to respond to a pool of existing poorly worded questions without creating a duplicate?

What's the right way to post a self-answered question on a topic which underlies many existing questions? Consider in particular a case wherein many questions have been posed about Topic X. These ...
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2answers
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Not a duplicate as marked

The post is imagary time a fifth dimension may indeed have been asked before, but the referenced post is not it. That earlier one concerns Hawking's cup to avoid the point in the cone. This one ...
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1answer
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Does “insufficient effort” cover previous SE questions?

There have been numerous questions put on hold as showing "insufficient effort", generally in cases where the question has a simple, easily-found-out answer. But there are also a lot of questions that ...
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1answer
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Duplicate meta-question on duplicate questions

I've read the meta questions on duplicates. This question may well be a duplicate, but there are some unlearned lessons in those answers. Two questions prompted me to raise this issue in meta. If ...
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1answer
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Reopen the «How is angular momentum measured in experiments/in practice?» topic

Moderators @Qmechanic and @dmckee marked it as a duplicate, but it is not so (see How is angular momentum measured in experiments/in practice? ). Linked questions are restricted to fundamental ...
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3answers
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Do we want and need a set of canonical questions with canonical answers?

This is a proposal that has been discussed to some extent in the h bar chat (especially with @ACuriousMind and @alemi), and a meta post to gauge the response of the rest of the community is long ...
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1answer
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Marked as duplicate when it is not a duplicate

https://physics.stackexchange.com/questions/107091/soft-question-the-best-way-to-learn-physics-road-map was marked as a duplicate to How to learn physics effectively and efficiently when I have ...
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Yet another quantum-entanglement-gives-faster-than-light-communication question

I recently misread this question and wrote a nice answer for what turned out not to be the question at all. I then proceeded to look quite carefully for the question I had actually answered, and I ...
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1answer
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Why isn't this duplicate closed?

I flagged this question as a duplicate, the flag is marked as helpful. But it didn't get closed, I commented in chat and it's still open.
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Is my question “Is everything in the universe discrete” a duplicate?

My question, "is everything in the universe discrete" was quite rapidly put on hold as a duplicate of "does the Planck scale imply that spacetime is discrete". I understand my question might have ...
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Can't se change? Am I running against a wall of obstinacy?

I just wonder why the questions are duplicated (https://physics.stackexchange.com/questions/75524/the-sound-change-the-light?noredirect=1#comment156943_75524 ) ? Because I ask physics things in ...
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Repeating answers in duplicate questions

I recently posted an answer to (1) Why are magnetic fields only produced by moving charges? which was marked as a duplicate of (2) No magnetic field from a static charge - Is there a simple ...
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Merging duplicates?

When I flag a duplicate it's usually because I've found an older question with substantial topical overlap and an answer that covers the new question completely. Sometimes I hesitate because the new ...
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1answer
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Can I use one of my previous answers to answer another separate, but related question?

A little while ago I answered this question: What is the sun's spectral series?. For whatever reason (I'm not exactly sure), I went well outside what was expected in answering it; I provided a ...
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0answers
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Exact duplicate (closed) questions and automatic link insertion

The current procedure for a closed as exact duplicate automatically insert the link to the question in duplicate. This link is denoted as "Possible Duplicate" should this say "Exact Duplicate" as the ...
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Should we repeat common questions?

This recent question on an infinite resistor grid is certainly interesting, but why should we include such questions on the site? The question has already been asked and answered many times on the ...

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