Philosophy Wire: States. Ghosts.

Scientists have been striving to establish the existence of quantum spin liquids, a new state of matter, since the 1970s. A recent discovery physicists could help researchers solve the mystery and result in the next generation of computing. [1] Different states. Of ghosts that we see in the dark. We keep on looking for them. Only because we are afraid to turn off the light. And see that there was nothing. But shadows…

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