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Nature 442, 990 (31 August 2006) | doi:10.1038/442990a; Published online 30 August 2006

Spectroscopy: Shifting light with spin

Warren S. Warren1

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NMR spectroscopy has changed enormously over the years, but signal detection has stayed the same since the technique was invented. The latest thinking literally shines a new light on things.

Sixty years ago, the forefront of speculative physics research included the nascent field of nuclear magnetic resonance (NMR). Physicists placed atomic nuclei in a strong, constant magnetic field and then watched the voltages induced in a coil when the nuclei were perturbed with weak, finely tuned radio waves.

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