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基础科学

基础科学栏目报道数学、物理、化学等基础学科研究进展与科学发现,夯实科学认知根基。

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半导体缺陷如何推动量子技术 封面图基础科学

2024-02-18 16:25:34

半导体缺陷如何推动量子技术

In diamonds (and other semiconducting materials), defects are a quantum sensor's best friend. That's because defects, essentially a jostled arrangement of atoms, sometimes contain electrons with an angular momentum, or spin, that can store and process i

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利用量子计算工具增强的多系综原子钟 封面图基础科学

2024-02-18 16:25:31

利用量子计算工具增强的多系综原子钟

Atomic clocks are a class of clocks that leverage resonance frequencies of atoms to keep time with high precision. While these clocks have become increasingly advanced and accurate over the years, existing versions might not best utilize the resources the

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光学发明反映了人眼的图像处理能力 封面图基础科学

2024-02-18 16:25:18

光学发明反映了人眼的图像处理能力

On a cold, sunny day, you're driving on a rural road, surrounded by snow-covered fields. In an instant, your eyes process the scene, picking out individual objects to focus on—a stop sign, a barn—while the rest of the scene blurs in the periphery. Your b

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释放俄歇电子能谱的全部潜力 封面图基础科学

2024-02-18 16:25:10

释放俄歇电子能谱的全部潜力

Auger electron spectroscopy (AES) is an incredibly useful technique for probing material samples—but current assumptions about the process ignore some of the key time-dependent effects it involves. So far, this has resulted in overly-simplified calculatio

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