The math governing Einstein-Rosen bridges (the “wormholes” beloved of scifi writers who ignore physics) indicates that the E-R bridge expands faster than it can be traversed. So even if an object could survive the process of entering a black hole that object would never exit. Likewise Alice and Bob, entering a pair of entangled black holes (Alice enters Hole1, Bob enters Hole2) and assuming their survival, could meet in the theoretical middle but would remain there forever. As and when a black hole evaporates by means of Bekenstein-Hawking radiation whatever was inside the hole does not magically reappear; its entropic value is returned to the external universe, which is a very different thing indeed. It’s nice to popularize science but important to ensure the basic facts are properly understood and conveyed. Professor Leonard Susskind has a series of informative lectures covering all these topics and more on YouTube; the math is not overly complicated to follow, and the key concepts are conveyed clearly.

Anyone who enjoys my articles here on Medium may be interested in my books Why Democracy Failed and The Praying Ape, both available from Amazon.

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