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6/20/2002
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Quantum Entanglement May Mean A Quantum Leap

Scientists at Australian National University say they've successfully teleported a laser beam, a breakthrough that could revolutionize IT.

The experiment exploited the quantum entanglement of photons, where two particles can be paired on a quantum level and forced to imitate each other even when separated by some distance. The researchers were thus able to encode a radio signal in a laser beam, disassemble the beam, and re-create an exact replica--with signal intact--about a yard away.

The discovery could help make encrypted communications impossible to eavesdrop on and may lead to faster optical communications networks

or even superpowered quantum computers. "The applications of teleportation for computers and communications over the next decade are very exciting," project leader Ping Koy Lam told The Australian newspaper.

But hang on to those frequent-flier miles: Scientists don't know how to teleport even an atom of solid matter, much less a person.

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