Do we live in a hologram? It sounds bizzare, but we talk to physicist Sabrina Pasterski, who is leading research into celestial holography. She is reducing the entire 4D universe onto a flat surface in an attempt to unify general relativity and quantum mechanics. If it works, we may finally have a complete understanding of how gravity works.

Pasterski’s impressive credentials have seen her dubbed a child genius and the next Albert Einstein, but what does she make of these labels and what are the challenges at the cutting edge of theoretical physics? In this wide-ranging conversation, Pasterski takes us deep into the theory, discusses how celestial holography could marry up to observations made in the night sky and the conundrum AI poses in pushing theoretical physics forward.

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