Chinese and Canadian scientists say they have successfully carried out a form of teleportation across an entire city. According to the South China Morning Post, the two teams working independently have teleported near-identical versions of tiny particles called photons through cables across Calgary in Canada and Hefei in Anhui province. The forms of teleported photons were destroyed in one laboratory and recreated in another more than 8km apart in the two cities through optical fiber. Similar experiments have been carried out before, but only within the same laboratory. A physicist not involved in either of the studies said the research was a step forward in the development of a “quantum internet”, a futuristic particle-based information system that could be much more secure than existing forms of digital data.
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