A device based on light-confining materials can modify superconductivity using quantum fluctuations, without the need for external illumination.
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电动三轮车撑起了县城的交通（图：南方人物周刊记者 刘璐明）
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The ‘golden age of America’? Trump delivers the State of the Union address – podcast
· 徐丽 · 来源：tutorial资讯