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Tag: Black Hole Entropy

Ctrl+Alt+Del: Part 4—The Universe is a Hologram

Help me obi Juan whoever you are, you’re my only Ho Unless you’ve been living under a rock, your first introduction to the concept of holograms was probably Leia’s message to Obi-Wan in Star Wars IV: A New Hope (unless your first introduction to holograms was Tupac, in which case. . . I feel old). Although to be clear, Tupac’s Coachella performance in 2012 was not actually a hologram—it was a 2D video projected on a seemingly invisible screen. We don’t actually have the technological capability yet to create real holograms—that is a 3D image projected from a 2D light…

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