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FYI: How Quantum Teleportation Can Bring Us Secure Communications

•, By Rebecca Boyle
 Quantum Teleportation in the Canary Islands Quantum teleportation between the Canary Islands La Palma and Tenerife over both quantum and classical 143 km free- space channels. Alice and Charlie are situated in La Palma, and Bob in Tenerife.Anton Zeilinger et al./via arXiv

New advances in quantum teleportation keep coming with greater frequency. Today, a team of European physicists sets the bar higher than ever before. After officially reporting teleportation across nearly 90 miles, through the turbulent ocean atmosphere of the Canary Islands, physicists could be ready to take on the greatest challenge yet — an attempt to teleport particles into space. But why?

Because quantum teleportation, though it's as complex as the sky is blue, could be a useful, secure way to transmit information. Not people, unfortunately -- Star Trek this is not. But in 2012, teleportation of data, in an unhackable, purely encrypted form, could be closer than ever.

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