<classify> MRI otenore kuom gir fisiks moro miluongo ni tetni mar spak mar nyuklia kata nuclear magnetic reesonance NMR, mane ofweny e higni mag 1930 kod Felix Bloch mane tiyo e Mbalariany mar Stanford gi Edward Purcell mane wuok e Mbalariany mar Havard.  <topic>: sciencetechnology 