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A new distance record has been set in the strange world of quantum teleportation.
In a recent experiment, the quantum state (the direction it was spinning) of a light particle instantly traveled 15.5 miles (25 kilometers) across an optical fiber, becoming the farthestsuccessful quantum teleportationfeat yet. Advances in quantum teleportation could lead to better Internet and communicationsecurity
, and get scientists closer to developing quantum computers.
About five years ago, researchers could only teleport quantum information, such as which direction a particle is spinning, across a few meters. Now, they can beam that information across several miles. [Twisted Physics: 7 Mind-Blowing Findings]