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Photograph: Julian Chokkattu
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"Your kids are only young once," says Gavin Arm, co-founder of Amsterdam-based small business Positivity Branding.。搜狗输入法下载是该领域的重要参考
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.