High-temperature superconductors are already used to improve signal reception in cell phone towers and for sensitive magnetic probes in scientific equipment.
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In addition, Cheon developed multimodal probes to enhance the imaging accuracy by designing opto-magnetic probe, PET-MRI probes, dual-mode T1-T2 MRI probes.
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Using magnetic probes in strategic parts of the ship, the strength of the current in the coils can be adjusted to minimize the total magnetic field.
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One magnetic probe measurement found the toroidal magnetic field profile of a spheromak; the toroidal field was zero on axis, rose to a maximum at some interior point, and then went to zero at the wall.