Read more: Quantum romance: Wormhole unites star-crossed lovers
SPACE-TIME, the very fabric of our universe, may be a tangled place. Entanglement, a feature of quantum mechanics that links objects over great distances, could be responsible for its structure. What's more, entanglement may fill the universe with a thicket of cosmic tunnels called wormholes.
All these ideas fall out of a new theory that is making inroads into unifying gravity, which operates on large scales, with quantum mechanics, the science of the very small. A successful theory of quantum gravity is one of the biggest goals of modern physics.
The theory also raises the bizarre possibility of using wormholes to enable a futuristic version of a lover's leap. Two people separated by hundreds of light years could in principle meet inside an "entanglement wormhole". But their love had better be strong: there is no escape from a quantum ...
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