www.hyperfinecourse.org

In condensed-matter physics, materials chemistry and biology, there is a family of experimental methods that relies on particular properties of the nucleus in order to extract information from atoms, molecules or solids. If you want to apply such methods yourself, or if you want to understand better research papers in your favourite field that report about the use of these methods, then you might find these free and open online courses helpful.

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access to hyperfinecourse A
Hyperfinecourse A deals with the physics of hyperfine interactions. What are hyperfine interactions? Where and how do they show themselves? How can you relate them to physics concepts you know already? Are there different types of hyperfine interactions? In 6 chapters, this course answers all of these questions, and more. The discussion is at a conceptual and not at a mathematical level. The course is suitable for anyone with a general science background.
access to hyperfinecourse B
There are many experimental methods that make use of hyperfine interactions. Hyperfinecourse B discusses  10 of them, at a conceptual level. At several places, you’ll see and hear experts of a method explaining their tool in lay language. Hyperfinecourse B can be taken as a selfcontained course, if you have a good understanding of the physics of hyperfine interactions (if you don’t, take hyperfinecourse A first).