2023-12-23 15:44:55物质与能量
改进疫苗的进展

To ensure that vaccines provide strong and lasting immunization, it is often necessary to supplement the actual vaccine (antigen) with additives that stimulate the immune system: adjuvants. Today, only a few substances have been approved for use as adjuva

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2023-12-23 15:44:51物质与能量
研究人员开发了一种新型的基于深度学习的自动驾驶汽车检测系统

Autonomous vehicles hold the promise of tackling traffic congestion, enhancing traffic flow through vehicle-to-vehicle communication, and revolutionizing the travel experience by offering comfortable and safe journeys. Additionally, integrating autonomous

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2023-12-23 15:44:48物质与能量
研究人员表明,一条古老的定律仍然适用于古怪的量子材料

Long before researchers discovered the electron and its role in generating electrical current, they knew about electricity and were exploring its potential. One thing they learned early on was that metals were great conductors of both electricity and heat

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2023-12-23 15:44:46物质与能量
学校饮用水中不安全的铅含量:新研究识别了建筑风险因素

University of Massachusetts Amherst civil and environmental engineers have determined the factors that may help identify the schools and daycare centers at greatest risk for elevated levels of lead in drinking water. The most telling characteristic for sc

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2023-12-23 15:44:43物质与能量
智能微电网可以在停电时更高效、更可靠地恢复电力

It's a story that's become all too familiar -- high winds knock out a power line, and a community can go without power for hours to days, an inconvenience at best and a dangerous situation at worst. UC Santa Cruz Assistant Professor of Electrical and Co

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2023-12-23 15:44:41物质与能量
研究人员揭示了制造酸酐化合物的新工艺

UNC-Chapel Hill chemist Alex Miller and Eastman scientist Javier Grajeda are leading a collaborative academic-industry team to identify more sustainable routes to elaborate basic building blocks of the chemical industry.

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2023-12-23 15:44:39物质与能量
科学家利用人工智能生成的图像绘制大脑的视觉功能图

Researchers at Weill Cornell Medicine, Cornell Tech and Cornell's Ithaca campus have demonstrated the use of AI-selected natural images and AI-generated synthetic images as neuroscientific tools for probing the visual processing areas of the brain. The g

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2023-12-23 15:44:36物质与能量
“像乐高一样组装在一起”的光子芯片为半导体行业打开了大门

Researchers at the University of Sydney Nano Institute have invented a compact silicon semiconductor chip that integrates electronics with photonic, or light, components. The new technology significantly expands radio-frequency (RF) bandwidth and the abil

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2023-12-23 15:44:33物质与能量
为了帮助自动驾驶汽车做出道德决策,研究人员放弃了“电车问题”

Researchers have developed a new experiment to better understand what people view as moral and immoral decisions related to driving vehicles, with the goal of collecting data to train autonomous vehicles how to make "good" decisions. The work is designe

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2023-12-23 15:44:32物质与能量
从小型到大型的摩擦控制

Friction is hard to predict and control, especially since surfaces that come in contact are rarely perfectly flat. New experiments demonstrate that the amount of friction between two silicon surfaces, even at large scales, is determined by the forming and

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2023-12-23 15:44:28物质与能量
利用超晶体获取更多太阳能

Hydrogen is a building block for the energy transition. To obtain it with the help of solar energy, LMU researchers have developed new high-performance nanostructures. The material holds a world record for green hydrogen production with sunlight.

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2023-12-23 15:44:24物质与能量
PicoRuler:用于高分辨率显微镜的分子标尺

Latest super-resolution microscopy methods now achieve an optical resolution in the range of a few nanometres. This corresponds to a resolution in the range of the size of cellular molecules. However, it has not yet been possible to verify the resolution

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