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Mathematician Emmy Noether in 1918 published a fundamental pillar of modern theoretical physics that bridges the gap between symmetry and conservation laws.
It establishes that every continuous symmetry of a physical system corresponds to a conserved quantity, and vice versa.
> If a system remains unchanged (invariant) under a continuous transformation, a corresponding quantity remains constant over time (conserved).
> These are transformations that can be applied in small, gradual steps, such as rotating an object or moving it through space, which do not change the underlying physical laws.
>The theorem is usually expressed using Lagrangian mechanics, specifically looking at the action integral of a physical system

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