Welcome to Part-DB.
 
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<p style="font-size: 12px">
And God said <br>
$\nabla \cdot \vec{D} = \rho$, 
$\nabla \cdot \vec{B} = 0$, 
$\nabla \times \vec{E} = -\frac{\partial \vec{B}}{\partial t}$, 
$\nabla \times \vec{H} = \vec{j} + \frac{\partial \vec{D}}{\partial t}$,  <br>
and then there was light.
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