17:09, 27 февраля 2026Экономика
「但之後你開始出去,看到鯨魚、海豹、搭船前往小島,然後坐小型飛機短途飛行。你會想:『這真是太棒了。』今年,我非常幸運地看到了一個帝企鵝族群。那景象就像大衛·艾登堡(David Attenborough)紀錄片裡的一樣。」
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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.
in use, although as a practical matter MICR has given way to the more familiar