What if there's something deeper than space-time?

What is the deepest level of reality? In this introduction to Quanta's video explainer "Space-Time: The Biggest Problem in Physics," physicist Vijay Balasubramanian begins a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next.

Watch the full video here:    • Space-Time: The Biggest Problem in Ph...  

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