2023-12-23 15:41:19物质与能量
反弹液滴中的霍尔马克量子行为

In our everyday classical world, what you see is what you get. A ball is just a ball, and when lobbed through the air, its trajectory is straightforward and clear. But if that ball were shrunk to the size of an atom or smaller, its behavior would shift in

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2023-12-23 15:41:17物质与能量
工作时免费为电动汽车充电?这是可能的最佳太阳能

The global surge in electric vehicle sales has prompted an Australian university to explore how it could offer free or nominal EV charging facilities to staff and students by optimising its solar PV system and minimising workplace electricity costs.

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2023-12-23 15:41:13物质与能量
磁性液晶的发现

Liquid crystal is a state of matter that exhibits properties of both liquid and solid. It can flow like a liquid, while its constituent molecules are aligned as in a solid. The liquid crystal is widely used nowadays, for example, as a core element of LCD

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2023-12-23 15:41:11物质与能量
发现可与钻石媲美的超硬材料

Scientists have solved a decades-long puzzle and unveiled a near unbreakable substance that could rival diamond, as the hardest material on earth, a study says.

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2023-12-23 15:41:09物质与能量
迈向下一代纳米催化剂,彻底改变活性电子转移

Various molecular systems have been developed by researchers for photoinduced (i.e., light-driven) electron transfer, including supramolecules, hybrid materials, and organic polymeric systems. While these systems fulfill the distance criterion required by

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2023-12-23 15:41:06物质与能量
从海水中提取铀作为另一种核燃料来源

Oceans cover most of Earth's surface and support a staggering number of lifeforms, but they're also home to a dilute population of uranium ions. And -- if we can get these particular ions out of the water -- they could be a sustainable fuel source to ge

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2023-12-23 15:41:03物质与能量
太阳能森林

A verdant forest is one of the most iconic symbols of the power of nature, from the abundance of plant and animal life that shelters among its thick vegetation to the positive impact it has on Earth's climate, thanks in part to photosynthesis, which remo

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2023-12-23 15:41:01物质与能量
钠离子电池资源高效、气候友好

The transition to a society without fossil fuels means that the need for batteries is increasing at a rapid pace. At the same time, the increase will mean a shortage of the metals lithium and cobalt, which are key components in the most common battery typ

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2023-12-23 15:40:58物质与能量
带有条形码的纳米探针

Protein-splitting enzymes play an important role in many physiological processes. Such proteases are generally present in an inactive state, only becoming activated under certain conditions. Some are linked to diseases like infections or cancer, making it

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2023-12-23 15:40:54物质与能量
研究人员通过在光纤上3D打印微光学来制造稳定的混合激光器

For the first time, researchers have shown that 3D-printed polymer-based micro-optics can withstand the heat and power levels that occur inside a laser. The advance enables inexpensive compact and stable laser sources that would be useful in a variety of

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2023-12-23 15:40:53物质与能量
研究为电化学控制离子选择性提供了新途径

A new study by researchers at the University of Illinois Urbana-Champaign advances fundamental knowledge about the role of solvation in ion binding and presents a new pathway for electrochemically controlling ion selectivity. The study was published in 阅读全文

2023-12-23 15:40:51物质与能量
这种自适应屋顶瓷砖可以降低供暖和制冷成本

About half of an average American building's energy consumption is spent on heating and cooling. That's a lot of money spent, fossil fuel burned and strain on an aging energy infrastructure during times of severe temperatures.

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