Frequently Asked Questions (FAQ)

What kinds of questions can I ask here?

Please ask questions about all aspects of Magnetic Resonance - NMR, EPR, MRI. Questions about both theory and practice in these fields are welcome, including questions about the physical foundations, scientific applications, instrumentation, interpretation of data, software, preparation and handling of samples etc. Before you ask - please make sure to search for a similar question. You can search questions by their title or tags.

What kinds of questions should be avoided?

Please avoid asking questions that are not relevant to the subjects of NMR, EPR or MRI, also please avoid asking questions that are too argumentative or subjective.

What should I avoid in my answers?

NMR Wiki Q&A Forum is a question and answer site - it is not a discussion group. Please avoid holding debates in your answers as they tend to dilute the essense of questions and answers. For the brief discussions please use commenting facility.

Who moderates this community?

The short answer is: you. This website is moderated by the users. Karma system allows users to earn rights to perform a variety of moderation tasks

How does karma system work?

When a question or answer is upvoted, the user who posted them will gain some points, which are called "karma points". These points serve as a rough measure of the community trust to him/her. Various moderation tasks are gradually assigned to the users based on those points.

For example, if you ask an interesting question or give a helpful answer, your input will be upvoted. On the other hand if the answer is misleading - it will be downvoted. Each vote in favor will generate 10 points, each vote against will subtract 2 points. There is a limit of 200 points that can be accumulated per question or answer. The table below explains reputation point requirements for each type of moderation task.

50 add comments
100 downvote
250 open and close own questions
500 retag questions
2000 edit any answer
3000 open any closed question
5000 delete any comment
10000 delete any questions and answers and perform other moderation tasks

What is gravatar?

Gravatar means globally recognized avatar - your unique avatar image associated with your email address. It's simply a picture that shows next to your posts on the websites that support gravatar protocol. By default gravar appears as a square filled with a snowflake-like figure. You can set your image at

To register, do I need to create new password?

No, you don't have to. You can login through any service that supports OpenID, e.g. Google, Yahoo, AOL, etc. Login now! »

Why other people can edit my questions/answers?

NMR Wiki Q&A aims for offering a place for efficient exchange of ideas among users of Magnetic Resonanceand specialists working in this field. So questions and answers can be edited like wiki pages by experienced users of this site and this improves the overall quality of the knowledge base content. If this approach is not for you, we respect your choice.

Still have questions?

Please ask your question, help make our community better!

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