Encyclopedia > 2070s

  Article Content


All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Maxwells equations

... Ithrough A = ∫AJ·dA). Note: unless there is a capacitor or some other place where <math>\nabla \cdot \mathbf{J} \ne 0</math>, the second term ...