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The Nature of Reality

Trap Doors in Time and Space: Teleportation, Time Travel, and Escape from Black Holes

16 Dec 2013, 21:37 UTC
Trap Doors in Time and Space: Teleportation, Time Travel, and Escape from Black Holes
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Do you feel stuck in space and time? Do you want to fast forward to the future, replay the past—be anywhere but here and anywhen but now? Does your work situation seem like a black hole, sucking you remorselessly towards a point where your consciousness is squished into nothingness along with all the known laws of physics? I’m with you on all counts, if only because this article was due last week!

Credit: Floriana/iStock
Luckily for you and me, these are good days for teleporting out of here, traveling through time, and escaping from black holes. Hard as it is to bend our minds about such non-standard forms of transportation, the laws of physics allow and even encourage them. The secret lies in a feature of quantum mechanics called entanglement. Two quantum systems are said to be entangled when they have more information about each other than they can have classically: they “know” more about each other than they have any right to know. Entangled systems possess a kind of quantum intimacy that goes beyond anything that is allowed by the classical laws of physics.
Teleportation
Entanglement gives rise to what Einstein called “spooky action at a distance” (spukhafte ...

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