Lessons

For good the power you can use in the world! But you should be careful how the power you use. Anger, fear, aggressiveness - they are the dark sides of power. They can easily take possession of you. Wars do not make anyone big.
Lesson

The 4 Maxwell Equations in Vacuum

Elektrischer Fluss - Skalarprodukt von Flächenorthogonalvektor und E-Feld

Simple explanation of the Maxwell's equations for beginners. The divergence integral and the curl integral theorems are also explained.