2024-03-12 14:30:12基础科学
超越水墨:用物理作画

Falling from the tip of a brush suspended in mid-air, an ink droplet touches a painted surface and blossoms into a masterpiece of ever-changing beauty. It weaves a tapestry of intricate, evolving patterns. Some of them resemble branching snowflakes, thund

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2024-03-12 14:30:10基础科学
LHCb观测到迷人美介子的一种新衰变模式

The LHCb collaboration recently reported on the arXiv preprint server the first observation of the decay of the Bc+ meson (composed of two heavy quarks, b and c) into a J/ψ charm-anticharm quark bound state and a pair of pions, π+π0. The decay process sho

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2024-03-12 14:30:08基础科学
机器人未来的一个关键可能是隐藏在液晶中

Robots and cameras of the future could be made of liquid crystals, thanks to a new discovery that significantly expands the potential of the chemicals already common in computer displays and digital watches.

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2024-03-12 14:30:05基础科学
用于构建更好量子技术的多粒子纳米结构

In Nature Physics, the LSU Quantum Photonics Group offers fresh insights into the fundamental traits of surface plasmons, challenging the existing understanding. Based on experimental and theoretical investigations conducted in Associate Professor Omar Ma

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2024-03-12 14:30:03基础科学
研究人员使用液晶来控制激光写入波导内的偏振

Researchers have developed a new way to control and manipulate optical signals by embedding a liquid crystal layer into waveguides created with direct laser writing. The new devices enable electro-optical control of polarization, which could open new poss

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2024-03-12 14:30:01基础科学
等离子体振荡推动聚变能的突破

Most people know about solids, liquids, and gases as the main three states of matter, but a fourth state of matter exists as well. Plasma—also known as ionized gas—is the most abundant, observable form of matter in our universe, found in the sun and other

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2024-03-12 14:29:59基础科学
研究人员发现有200年历史的科学传热定律存在例外

A team of researchers led by the University of Massachusetts Amherst has recently found an exception to the 200-year-old law, known as Fourier's Law, that governs how heat diffuses through solid materials.

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2024-03-12 14:29:57基础科学
测试表明高温超导磁体已做好聚变准备

In the predawn hours of Sept. 5, 2021, engineers achieved a major milestone in the labs of MIT's Plasma Science and Fusion Center (PSFC), when a new type of magnet, made from high-temperature superconducting material, achieved a world-record magnetic fie

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2024-03-12 14:29:53基础科学
科学家的适应能力如何导致对磁性的新见解

With time scheduled to use a certain beamline at the National Synchrotron Light Source-II (NSLS-II), scientists from NSLS-II and their partner institutions faced a challenge. They planned on researching a special type of region in magnetic materials that

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2024-03-12 14:29:51基础科学
面向高频未来的新型软磁材料

Imagine tiny magnets powering our world, silently switching energy on and off in phones, cars, and even power grids. These unsung heroes are called soft magnetic materials. However, as devices become faster and more efficient, traditional materials strugg

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2024-03-12 14:29:45基础科学
改进融合反应的一种方法是:将弱点作为优势

In the Japanese art of Kintsugi, an artist takes the broken shards of a bowl and fuses them back together with gold to make a final product more beautiful than the original.

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2024-03-12 14:29:43基础科学
开放量子系统表现出普遍行为

Universal behavior is a central property of phase transitions, which can be seen, for example, in magnets that are no longer magnetic above a certain temperature. A team of researchers from Kaiserslautern, Berlin and Hainan, China, has succeeded for the f

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