The idea that measuring the properties of one particle could instantaneously change the properties of another one (or a whole bunch) far away is strange to say the least. The team that pulled off the beryllium feat...hailed it as another step toward computers that would use quantum magic to perform calculations. But it also served as another demonstration of how weird the world really is according to the rules, known as quantum mechanics. Nary a week goes by that does not bring news of another feat of quantum trickery once only dreamed of in thought experiments: particles (or at least all their properties) being teleported across the room in a microscopic version of Star Trek beaming; electrical cat" currents that circle a loop in opposite directions at the same time; more and more particles farther and farther apart bound together in Einstein's spooky embrace now known as "entanglement." At the University of California, Santa Barbara, researchers are planning an experiment in which a small mirror will be in two places at once. Anton Zeilinger of the University of Vienna said that he thought, "The world is not as real as we think.
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