What is there to see inside a magnet that's smaller than the head of a pin? Quite a lot, say physicists who've invented a new kind of MRI technique to do just that. The technique may eventually enable the development of extremely small computers, and even give doctors a new tool for studying the plaques in blood vessels that play a role in diseases such as heart disease.Scientists report the first-ever magnetic resonance image of the inside of an extremely tiny magnet. (source: researchnews.osu.edu)
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