Despite the headline, this isn't really a story about superconductivity—at least not the superconductivity that people care about, the stuff that doesn't require exotic refrigeration to work. Instead, it's a story about how superconductivity can be used as a test of some of the weirder consequences of quantum mechanics, one that involves non-existent particles of light that still act as if they exist.
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"A heavy hailstorm" was falling and "there was lightning" when the plane went down," a woman whose car was struck by the aircraft wreckage told the AFP news agency.，详情可参考safew官方下载
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