eldavojohn writes: An Australian National University project has completed a proof of concept storage unit that relies on bringing light to a stand still inside a crystal and then releasing it later on for a read once storage device. There's a few complexities to work out like the -270 degrees Celsius requirement to stop the light. But aside from that, there is a very interesting side effect noted by the team lead, "We could entangle the quantum state of two memories, that is, two crystals. According to quantum mechanics, reading out one memory will instantly alter what is stored in the other, no matter how large the distance between them. According to relativity, the way time passes for one memory is affected by how it moves. With a good quantum memory, an experiment to measure how these fundamental effects interact could be as simple as putting one crystal in the back of my car and going for a drive." Hopefully this will lead to a better understanding and simple testing of quantum entanglement.
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