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6月
科学家利用 “压缩 ”激光频率梳技术制造出更灵敏的 ...
科学家们有史以来第一次利用一种名为 “量子压缩”的技术,提高了被称为光学频率梳激光器器件的气体传感性能。这些超精密传感器就像气体分子的指纹扫描仪。科学家们已经利用它们发现了石油和天然气作业上方空气中的甲烷泄漏,以及人类呼吸样本中的 COVID-19 感染迹象。 科罗拉多大学博尔德 ...
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NYC shooting: Gunman dies
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Breaks bone in his neck
Proposes Gaza ‘food centers’
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Global hunger falls
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Ex-OH cop sentenced
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Army ROTC cadet dies
Files Supreme Court brief
Miami Beach boat accident
Plane crashes into ocean
Rejects SK peace proposal
Accused by EU regulators
On 50-day deadline for RU
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