BBC Verify checked the speedboat's registration details provided by the Cuban embassy in the US (FL7726SH, Florida registered), but they yielded no ownership details or tracking history on any of the platforms the BBC relies on.
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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Steven Frank, the co-founder of Panic, wrote this in 1999, with similar themes:
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有同乡的朋友，今年也是第一次举家外出围炉，因是临时决定，提前一周才打电话预订，七八家常去的餐馆早已满额，最后只得订一家生面孔。