The Anomalous Magnetization of Iron and Steel, B. Osgood Peirce 1912:
https://www.jstor.org/stable/20022770?seq=2
The effects seem to pertain to high dv/dt impulses however.. not to
mention antique metallurgical samples (the high-Sv kind).
Modern electrical steels OTOH are designed to be
I have been doing more reading about the history of stimulated
emission. Einstein formally introduced a quantum version of the concept in
1917.
Therefore you might think that it is only possible in a quantum theoretical
context. However, subsequent mathematical work has shown that a form of
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