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physics.hist-ph2024
A path to Balmer's formula: the Pythagorean search for simplicity and harmony
D V Redzic
A derivation of Balmer's formula is presented, guided by the principles of simplicity and harmony.
physics.hist-ph2020
Two paths towards circulation time derivative (Maxwell's revisited)
Dragan V Redzic
The time derivative of the circulation of a vector field over a moving and deforming closed curve, $\frac {\mathrm{d}}{\mathrm{d} t}\oint \boldsymbol{A} \cdot \mat…