Ion temperature shown in color over a period of 24 seconds, achieved by the Korea Superconducting Tokamak Advanced Research (KSTAR).
Charge-exchange spectroscopy, ECE, TS and Mirnov coil signals are transformed into audible sound, so that one can diagnose the plasma through the sound. An outstanding sound around 6 s corresponds to the plasma instability.
Credit: Han et al., Nature, 2022/KSTAR
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