My question was closed1 on Phys.SE. Can you recommend me another internet site where my question might be on-topic?

Here we keep a list of other internet sites that might help students2 of physics. One site per answer. To keep the list at a reasonable size, please only include sites which fulfil the following criteria:

  1. The site should be a physics site or have a physics section.

  2. The site's scope should be wider than Phys.SE's scope. In particular, it should welcome questions in all areas of physics and at any level.

  3. The site should be free of charge.

Please avoid blatant promotion. This meta post is meant as a service for students in need.

1 The question wasn't reopened after I edited the question. Also no one helped me (sufficiently) when I asked in the Phys.SE chat room. (The chat room requires 20 reputation points.)

2 The word student includes self-student.

migrated from physics.stackexchange.com Feb 1 '11 at 0:24

This question came from our site for active researchers, academics and students of physics.

13 Answers 13

ToughSTEM - A question answer community on a mission to share Solutions for all STEM major Problems.

This is a site built specifically for answering STEM (Science, Technology, Engineering, and Mathematics -> Physics) problems in a Q/A format like the stack exchange network. We love check my work questions. It is and always will be 100% free. Supports Mathjax.

Disclosure : I've created this site.

  • I'm quite contended to see it is not a forum where discussions go on & on without hardly any responses. But I'm quite upset seeing that the Hot questions contain some really low-graded homework questions! They should deal homework questions the same way these are treated here. – user36790 Nov 20 '15 at 3:52
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    The purpose of that site is to be a solutions manual for students who know the concepts, are doing homework, and want to check their answers and cant (common in text books only giving out answers odd answers) or are getting the wrong answer and don't understand where they may have made a mistake - in which case it is may not be a conceptual mistake and just a minor detail / caveat specific to that question that the student missed. I come across these often in my studies. – Ulad Kasach Nov 20 '15 at 3:55
  • Yes, then it's a good site for check-my-attempt etc . BTW, is it commercial? Who runs the site? Are there mods? How is it different from PSE? – user36790 Nov 20 '15 at 6:09
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    The site is and always will be completely free for users. I've built and run the site from home. I am currently the only mod. The difference between it and PSE is that it's focus is on being a solutions reference and a place to find answers and learn about solving specific problems like those students may find through homework (and are likely to find on tests) - as opposed to being a resource for exploring deep and fundamental physics questions (like PSE is). – Ulad Kasach Nov 20 '15 at 21:14
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    That's a very good initiative. Why not promote the site here? You can make it as a community ad. See this. – user36790 Nov 21 '15 at 9:26
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    Thank you very much for that reference. I'll be looking out for the 2016 community ad post. – Ulad Kasach Nov 21 '15 at 22:52
  • @VladisGlad I tried using mathjax there in answering a question. But , it did not work. – Anubhav Goel Jun 1 '16 at 7:30
  • @AnubhavGoel If you check the post you made again you'll see it working now. It was just was a formatting error. I will make the mathjax usage more intuitive shortly. – Ulad Kasach Jun 1 '16 at 14:12
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    The ToughStem site doesn't seem to have active users anymore (I had posted 2 questions there around a year ago, but got absolutely no response). It seems more like a collection of Q&A's posted in 2015-2016 (probably by the same person who created the site). However, what I find sort of creepy, is that, in spite of no sign of live activity (like commenting/answering), the Hot Questions on the main page seem to be "viewed" almost every minute. Could some clarify what's going on with that site? Is it using some automated process to "fake views"? – user198565 Jun 17 at 18:53
  • @user198565 - If i remember correctly, the site does not distinguish bots from users in determining activity. So whenever any request is made to view a question, it pops up on that feed. – Ulad Kasach Jun 20 at 13:27

http://www.physicsforums.com

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    this is terrible. For some odd reason, people there just babble on and don't get anything done – lucky-guess Apr 14 '17 at 15:03
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    @rpfphysics Also many people on that side just give plain wrong answers / don't know their stuff. – Jannik Pitt May 26 '17 at 17:43

Physics Problems Q&A aka Physics Q&A Exchange

This is a site specifically aimed at physics problems/exercises. It was started on 2 November 2016 to provide a suitable place for problem-solving questions on Physics Stack Exchange in the homework-and-exercises category which are closed as off topic because they are not asking about a specific physics concept.

You are expected to show some effort to solve the problem yourself, and/or to explain your difficulty. Questions asking "what did I do wrong?" or "what should I do next?" are welcomed.

http://www.quora.com/Physics

http://www.reddit.com/r/Physics

http://www.thephysicsforum.com/forum.php

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    Nov 3rd, 2016: Link dead. – Qmechanic Nov 3 '16 at 19:30
  • Alive again. (Aug 29, 2017) – stafusa Aug 29 '17 at 14:15

https://www.wyzant.com/ is a tutoring site but where you can post your question (homework)

https://www.slader.com/

Live Tutoring
Tutoring on Slader provides users a platform to chat and share concepts visually through images and a live shared drawing board. Slader users can request help from other students in the same subject, host a tutoring session with friends through a unique link, or choose a certified pro tutor (who charges gold). Two brains are always better than one.

Textbook Solutions
Slader features millions of solutions to the most popular textbooks in the United States. All of the homework solutions on Slader are written by the Slader community. Anyone can contribute solutions to textbook problems, which are viewed and rated by the Slader community. Solutions are always free to view and we encourage contribution to the site in all productive forms.

Question and Answer
Slader's Q&A platform is where non-textbook based questions in any subject can be asked and answered. Asking questions and providing answers benefit all users and makes the learning process easier and more enjoyable.

This is a cut-paste copy of a personal blog post I made that combines the resources above (and a few others) into a single post.

stackexchange.com is a great site to ask questions and receive professional answers, but it usually takes time to get an answer and questions are sometimes closed unnecessarily.

Here are some other options:

  • If your question is closed on physics.stackexchange.com (which is plagued by "overly aggressive moderators"), try posting on:

    • math.stackexchange.com if your question is mostly mathematical, or mathoverflow.net if your question is mathematical and fairly high-level.

    • astronomy.stackexchange.com if your question is about astronomy.

    • space.stackexchange.com if your question is about space exploration, rocket launches, or anything similar.

    • earthscience.stackexchange.com if your question relates to Earth science.

    • gis.stackexchange.com if your question is about GIS or geography.

    • mathematica.stackexchange.com if you are working physics problems with Mathematica(tm) software.

    • programmers.stackexchange.com if you are writing a computer program to do physics (also stackoverflow.com)

    • scifi.stackexchange.com if you're wondering how physics works in an existing science fiction world, or worldbuilding.stackexchange.com if you're trying to create a world and need help with your fictional physics.

    • The other answers to this question may also provide additional resources.

You can also try visiting the Physics StackExchange chat room: http://chat.stackexchange.com/rooms/71/the-h-bar where the atmosphere is generally friendlier. In many cases, they will help you with homework, even if your problem was closed on the main site.

  • If you need help more urgently, or your question was closed on a different StackExchange site, you might try:

    • openstudy.com: near-real-time help, somewhat difficult-to-naviate interface

    • wolframalpha.com: if you just need to check your answers, this can be helpful, but it's been having a few serious problems later, so proceed with caution.

    • quora.com: if your question is more philosophical or discussion-based (instead of looking for a specific answer), Quora might be the place to post.

If you would like any other sites listed here, please let me know. The listings below are from individual users, and I have not vetted them:

  • toughstem.com
  • 3
    The suggestions herein related to Software Engineering and Science Fiction & Fantasy show a lack of knowledge or respect for the policies of those sites and simply aren't going to help readers who take the advice seriously. You also somehow failed to miss the existence of Computational Science which is a much better place to take numerical questions than Programmers, though not as populous as Stack Overflow. – dmckee Apr 14 '17 at 15:02

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