Strange Science: The Grandfather Paradox Resolved

The Grandfather Paradox tells us that time travel won’t work because if you went back in time and killed your own grandfather, you’d never be born, hence you could never travel through time.

But mathematicians suggest that time travel might be feasible–at least mathematically. The mathematicians work with closed timelike curves, or CTCs, which are an “extremely powerful gravitational field, such as that produced by a spinning black hole,” that “could in principle profoundly warp the fabric of existence so that spacetime bends back on itself.” While CTCs would create paradoxes when it comes to objects, they might not when it comes to things on a quantum level.┬áThis may also mean advances for quantum cryptography and foiling it.

You can read more about this work here!

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