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Why Do Physical Laws Exist At All?

This video explores the foundations of physical law and the deeper structure behind the universe’s consistent behaviour. It moves through symmetry in physics, quantum mechanics, general relativity, thermodynamics, and the Standard Model of particle physics, examining how mathematical relationships describe everything from subatomic particles to cosmic expansion. Along the way, it considers conservation laws, spacetime curvature, entropy, and the role of fundamental constants in shaping the universe we observe. The discussion also touches on inflationary cosmology, the multiverse hypothesis, information theory, and philosophical perspectives on necessity and contingency. Rather than dramatising mystery, the focus remains on what modern physics genuinely understands, where the limits of explanation lie, and how scientific reasoning approaches the question of why reality is structured at all. A steady, reflective exploration of cosmology, theoretical physics, and the quiet coherence of the natural world.