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Shadows of Spacetime: PiTP 2026 Investigates Celestial Holography

While scientists have demonstrated how the holographic principle works in hypothetical, highly curved spaces, such as Anti-de Sitter space—an approach pioneered by Juan Maldacena, Carl P. Feinberg Professor in the School of Natural Sciences—they are still trying to determine if equivalent field theories can replicate these effects in so-called "flat space." This year’s Prospects in Theoretical Physics (PiTP) program probed this fascinating topic.