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Researchers working in Calgary, Canada and Hefei, China, used existing fiber optics networks to transmit small units of information across cities via quantum entanglement — Einstein’s “spooky action at a distance.” Stepping Outside the Lab According to quantum mechanics, some objects, like photons or electrons, can be entangled.
This means that no matter how far apart they are, what happens to one will affect the other instantaneously.
While the Calgary researchers succeeded about 25 percent of the time, the Hefei researchers were right at most 50 percent of the time, due to their inclusion of an extra, albeit time-consuming, step in the process.
Because both methods possess their own advantages, they will likely each form the basis for further research.
Using lasers to send information can work in some situations, but adverse environmental conditions can disrupt the signal.
This is why the internet today consists of a network of fiber optic cables instead.
To decrypt a message, you would need the key, which is sent over the internet.
Even if you intercepted the key, you would still only have half of the puzzle — to fully read it, you would need the entangled photons themselves.
Both experiments encode a message into a photon and send it to a way station of sorts.Quantum teleportation’s biggest application will likely be as a means of encrypting information.Because the two photons communicate with each other by entanglement, there’s no way for an outsider to read them.The 19-year-old Guerrero, whom Blue Jays fans would like to see in Toronto pronto, has grown to be more phenom than prospect with the Fisher Cats.“We show up at hotels at midnight and there’s like 50 people waiting for our bus.
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One of the largest hurdles for both teams to overcome was the tendency of fiber optic cables to stretch and compress due to temperature changes.