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Before Space and Time | Leonard Susskind

#TheoreticalPhysics #QuantumGravity #Cosmology #LeonardSusskind Before Space and Time | Leonard Susskind We often ask what happened at the beginning of the universe—but modern physics suggests a deeper question: what existed before space and time themselves? This question matters now because our best theories of quantum gravity indicate that space and time may not be fundamental at all, but emergent features of a deeper, timeless reality. In this video, we explore the idea of before space and time in the calm, analytical spirit of Leonard Susskind. Rather than imagining a moment earlier on a cosmic clock, we examine how fundamental laws may exist without time, without distance, and without geometry. Concepts from quantum mechanics, black holes, and holography suggest that spacetime itself is something the universe builds, not something it begins with. If space and time emerge, then the origin of the universe is not a moment—it is a transition in description. Understanding this shift is essential for anyone trying to grasp quantum gravity, cosmology, and the deepest structure of reality. Key insights you’ll gain Why asking “before time” is meaningful in modern physics How spacetime can emerge from non-spatial, timeless laws What quantum gravity suggests about the universe’s origin Why the Big Bang may not be the true beginning How black holes and holography reshape our view of reality Grounded perspectives “The fundamental laws of physics may not require time.” “Spacetime appears to be an emergent concept, not a basic one.” “To understand origins, we must move beyond classical intuition.” Who should watch this This video is for physics students, researchers, science educators, philosophy-of-science enthusiasts, and curious thinkers who want to understand reality beyond familiar concepts of space and time. If you’re interested in cosmology, quantum gravity, and the foundations of physics, this video is for you. 👉 Subscribe for calm, long-form explorations of fundamental physics. 👉 Share this video with anyone curious about the origin of reality. 👉 Stay connected for future discussions on spacetime, quantum mechanics, and the universe. Hashtags: #BeforeSpaceAndTime #QuantumGravity #Cosmology #TheoreticalPhysics #Spacetime #EmergentReality #ModernPhysics #PhysicsExplained #UniverseOrigins #BigBang #BlackHoles #HolographicUniverse #RealityExplained #DeepPhysics #FundamentalPhysics #ScienceEducation #PhysicsLecture #UniverseExplained #LongFormScience #CalmScience #ThinkingPhysics #PhysicsIdeas #UnderstandingReality #AdvancedPhysics #QuantumSpace #SpaceTime #PhysicsChannel #DeepReality #LeonardSusskind #NatureOfReality Related Search Queries: what existed before space and time, before the big bang physics, quantum gravity explained, spacetime not fundamental, origin of the universe physics, timeless laws of physics, cosmology before big bang, holographic principle explained, black holes and spacetime, modern physics reality, deep physics lecture, theoretical physics explanation, nature of time physics, reality without space and time, emergent spacetime theory, understanding cosmology, universe origin explained, physics of reality, quantum cosmology theory, before time began Disclaimer: This channel is not officially affiliated with Leonard Susskind. The content is independently created, inspired by his educational style, and intended solely for educational purposes.