ATTENDANT: Welcome to New York City.

BRIAN GREENE Let's say I want to get to Paris for a quick lunch. Well, in theory, entanglement might someday make that possible. Here's what I'd need. A chamber or particles here in New York that's entangled with another chamber of particles in Paris.

ATTENDANT Right this way, Mr. Greene.

BRIAN GREENE I would step into a pod that acts sort of like a scanner or fax machine. While the device scans the huge number of particles in my body—more particles than there are stars in the observable universe—it's jointly scanning the particles in the other chamber. And it creates a list that compares the quantum state of the two sets of particles. And here's where entanglement comes in. Because of spooky action at a distance, that list also reveals how the original state of my particles is related to the state of the particles in Paris.

Next, the operator sends that list to Paris. There they use the data to reconstruct the exact quantum state of every single one of my particles.

And a new me materializes.

It's not that the particles traveled from New York to Paris. It's that entanglement allows my quantum state to be extracted in New York and reconstituted in Paris, down to the last particle.

ATTENDANT Bonjour, Monsieur Greene.

BRIAN GREENE Hi, there.

So, here I am in Paris, an exact replica of myself. And I'd better be, because measuring the quantum states of all my particles in New York has destroyed the original me.

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