2023-11-21 13:17:09物质与能量
科学家绘制了世界各地地下水储量损失的地图

Global water resources are stretched by climate change and human population growth, and farms and cities are increasingly turning to groundwater to fill their needs. Unfortunately, the pumping of groundwater can cause the ground surface above to sink, as

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2023-11-21 13:17:09物质与能量
以马萨诸塞州普利茅斯市为例预测盐水入侵地下水

As the world warms and ice sheets melt, the ocean continually rises. The greater Boston area can expect to see between one and six feet of sea level rise by 2100, according to recent estimates. To find out what this rise might mean for freshwater supplies

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2023-11-21 13:17:08物质与能量
带电的“分子野兽”——新化合物的基础

Mass spectrometers are high-tech machines that play an important role in our society. They are highly sensitive analytical instruments that are indispensable in areas such as medical diagnostics, food quality control and the detection of hazardous chemica

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2023-11-21 13:17:07物质与能量
光电电池达到有竞争力的电压

Researchers from the Universities of Freiburg and Ulm have developed a monolithically integrated photo battery using organic materials.

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2023-11-21 13:17:07物质与能量
光腔中的真空可以在没有激光激励的情况下改变材料的磁性状态

Researchers in Germany and the USA have produced the first theoretical demonstration that the magnetic state of an atomically thin material, α-RuCl3, can be controlled solely by placing it into an optical cavity. Crucially, the cavity vac

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2023-11-21 13:17:06物质与能量
核钟发展的里程碑时刻

An international research team involving Dr. Olga Kocharovskaya, a distinguished professor in the Department of Physics and Astronomy at Texas A&M University, has taken a major step toward development of a new generation of atomic clocks with mind-blo

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2023-11-21 13:17:06物质与能量
电解水生产绿色氢气的新途径

Originally, the term "Sherpa" denoted a hill-tribe of Tibetan descent, but it has since become synonymous with guides on Mount Everest, the world's highest and most rugged mountain. Much like these Sherpas, research into the demanding task of developin

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2023-11-21 13:17:05物质与能量
实验表明微塑料在水环境中的生物相互作用

Scientists have learned over the years that when aquatic organisms such as zooplankton become exposed to microplastics, they eat poorly. Research at Purdue University now shows that their plastic-induced eating difficulties also limit the ability of zoopl

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2023-11-21 13:17:04物质与能量
美国轻型运输脱碳:研究揭示了实现目标的策略

One of the goals outlined by the Biden administration's National Climate Task Force in 2021 was to reduce U.S. greenhouse gas emissions to 50%-52% below 2005 levels by 2030.

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2023-11-21 13:17:04物质与能量
电动汽车比汽油车开得少

Mass adoption of electric vehicles (EV) is a key part of plans to decarbonize the United States' energy system. As EV ownership in the U.S. increases, understanding how much EV owners are driving their cars informs everything from climate and energy mode

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2023-11-21 13:17:02物质与能量
大脑植入可以仅通过思想进行交流

A speech prosthetic developed by a collaborative team of Duke neuroscientists, neurosurgeons, and engineers can translate a person's brain signals into what they're trying to say.

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2023-11-21 13:17:01物质与能量
视频技术可以改变科学家监测物种进化和发展变化的方式

Scientists have made a major breakthrough in the study of species evolution, and provided further evidence that state-of-the-art visual technology can be used to track the tiniest changes in different organisms' development.

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