A Little Technical Interlude

What I’m about to tell you is not something new. These ideas have been around for many years already (since classical mechanics was still a thing). Moreover, I have been bothering my friends, students, teachers and some angry chemists with this for the last four or five years, ever since a student in San Luis Potosi made the mistake of saying the word “Hamiltonian” in front of me. This let another professor to reveal me one of the most guarded treasures for the physicist: the all-mighty  Lagrangian.

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