Saturday, April 16, 2011
Beam me up ... Quantum teleporter breakthrough: (PhysOrg.com) -- Researchers have achieved a breakthrough in quantum communications and computing using a teleporter and a paradoxical cat.
The breakthrough is the first-ever transfer, or teleportation, of a particular complex set of quantum information from one point to another, opening the way for high-speed, high-fidelity transmission of large volumes of information, such as quantum encryption keys, via quantum communications networks. The research was published in the April edition of the journal Science. Teleportation – the transfer of quantum information from one location to another using normal, "classical" communications - is one of the fundamental quantum communication techniques. The cat in the equation was not a living, breathing feline but rather "wave packets" of light representing the famous "thought experiment" known as Schrodinger’s Cat. Schrodinger’s Cat was a paradox proposed by early 20th century physicist Erwin Schrodinger to describe the situation in which normal, "classical" objects can exist in a quantum "superposition" - having two states at once. link
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