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Also to be strongly welcomed is their inclusion of a number of topics that tend to be squeezed out of physics courses — elasticity, stress–strain relations, plasma physics and magnetohydrodynamics are a few examples.

Electromagnetism is a standard weeder course in graduate school, and magnetohydrodynamics ranks up there with quantum field theory as the hardest subject known to mortal minds.

As the science of magnetohydrodynamics had progressed, the effect had become more and more controllable, enabling scientists to force the nuclei of hydrogen, for instance, closer and closer together.

Such gas acts as a conductor of electricity and when employed as a "magnetohydrodynamics" generator it can be used for a variety of purposes.