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We utilize nuclear magnetic resonance (NMR) as a microscope of electron motions in condensed quantum matters. Our current research target ranges from exotic superconductors, frustrated magnets, topological materials, time crystals, superfluid, excitonic insulators, and nitrogen-vacancy centers in diamond. By analyzing hyperfine interactions, we observe electronic spatial and time-reversal symmetry breaking and quasiparticles. High-pressure and high-temperature operation of NMR spectroscopy is achieved up to 9 GPa and 850 K. Our research will evolve potential application for designing new superconductors, quantum computing system, and medical magnetic resonance imaging. Please visit and join us if you are interested in developing quantum materials and technology.