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.
The "Parking Lot" Insight:
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children born between 1 July 2024 and 31 December 2024 will be offered two doses, one at 18 months and another at the age of 3 years and 4 months