Record-breaking magnetic shielding developed

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Permanent and temporally variable magnetic fields reduced {over a|more than a|over the} million-fold

Magnetic fields exist everywhere in the universe, and we are permanently {exposed to|subjected to|confronted with} both natural and artificial magnetic fields. In Central Europe, the Earth’s ever-present magnetic field measures 48 microtesla. On top of this come local magnetic fields generated by transformers, motors, cranes, metal doors and the like.