How Noether’s Theorem Revolutionized Physics – Quanta Magazine https://www.quantamagazine.org Illuminating science Fri, 21 Feb 2025 21:18:44 -0500 en-US hourly 1 https://wordpress.org/?v=6.6.2 How Noether’s Theorem Revolutionized Physics https://www.quantamagazine.org/how-noethers-theorem-revolutionized-physics-20250207/ https://www.quantamagazine.org/how-noethers-theorem-revolutionized-physics-20250207/#respond Fri, 07 Feb 2025 14:17:48 +0000 https://www.quantamagazine.org/?p=146386 The post How Noether’s Theorem Revolutionized Physics first appeared on Quanta Magazine

]]> In the fall of 1915, the foundations of physics began to crack. Einstein’s new theory of gravity seemed to imply that it should be possible to create and destroy energy, a result that threatened to upend two centuries of thinking in physics. Einstein’s theory, called general relativity, radically transformed the meaning of space and time. Rather than being fixed backdrops to the events of the…

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