Quantum Mechanics is one\nof the most successful theory ever discovered by physicists. And teleportation\nis a theory in quantum mechanics. Teleportation or teletransportation is the\ntheoretical transfer of matter or energy from one point to another without\ntraversing the physical space between them. Many scientists and researchers\nhave already teleported photons. But, is it possible to teleport a human? How\nmuch time will it take? Theoritically, it is possible to do that but\npractically, we need to wait for the invention of the devices that can teleport\na human being. Quantum teleportation is a process by which quantum information\n(e.g. the exact state of an atom or photon) can be transmitted (exactly, in\nprinciple) from one location to another, with the help of classical\ncommunication and previously shared quantum entanglement between the sending\nand receiving location. Because it depends on classical communication, which\ncan proceed no faster than the speed of light, it cannot be used for\nfaster-than-light transport or communication of classical bits. While it has\nproven possible to teleport one or more qubits of information between two\n(entangled) atoms, this has not yet been achieved between molecules or anything\nlarger. Although the name is inspired by the teleportation commonly used in\nfiction, quantum teleportation is limited to the transfer of information rather\nthan matter itself. Quantum teleportation is not a form of transportation, but\nof communication: it provides a way of transporting a qubit from one location\nto another without having to move a physical particle along with it. The term\nwas coined by physicist Charles Bennett. The seminal paper first expounding the\nidea of quantum teleportation was published by C. H. Bennett, G. Brassard, C.\nCr\u00e9peau, R. Jozsa, A. Peres and W. K. Wootters in 1993. Quantum teleportation\nwas first realized in single photons, later being demonstrated in various\nmaterial systems such as atoms, ions, electrons and superconducting circuits.\nThe latest reported record distance for quantum teleportation is 1,400 km (870\nmi) by the group of Jian-Wei Pan using the Micius satellite for space-based\nquantum teleportation. Work in 1998 verified the initial predictions, and the\ndistance of teleportation was increased in August 2004 to 600 meters, using\noptical fiber.Subsequently, the record distance for quantum teleportation has\nbeen gradually increased to 16 km, then to 97 km, and is now 143 km (89 mi),\nset in open air experiments done between two of the Canary Islands.There has\nbeen a recent record set (as of September 2015) using superconducting nanowire\ndetectors that reached the distance of 102 km (63 mi) over optical fiber. For\nmaterial systems, the record distance is 21 m.<\/p>\n","protected":false},"excerpt":{"rendered":"
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