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I am Aure, and I am a B.Sc. student in Physics at the University of Catania, Sicily, Italy.

I mainly use C and $\LaTeX$, so this is what you are probably going to find around here.

Euler-Lagrange Equation:

$$\frac{\text{d}}{\text{d}t}\frac{\partial\mathcal{L}}{\partial\dot{q}^\alpha}-\frac{\partial\mathcal{L}}{\partial q^\alpha}=0$$

Here is a little picture I took of Planetary Nebula M20: