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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The last couple of weeks, I’ve been discussing the potentially destructive implications of Hawking radiation, the mechanism by which black holes slowly decay. One of the most pressing implications is the information paradox. A core tenet of quantum physics, the conservation of quantum information, demands that quantum information is not ever destroyed or created. But Hawking radiation seems to defy this rule. Information that enters a black hole becomes irretrievable, but it’s not destroyed. But, when a black hole evaporates into random thermal radiation, what happens to that information? One of the most popular theories involves all the information inside…
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