2023-12-23 15:42:08物质与能量
细菌的静脉可以形成混凝土基础设施的自我修复系统

In hopes of producing concrete structures that can repair their cracks, researchers from Drexel University's College of Engineering are putting a new twist on an old trick for improving the durability of concrete. Fiber reinforcement has been around sinc

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2023-12-23 15:42:05物质与能量
聚乙烯废料可能成为过去

An international team of experts undertaking fundamental research has developed a way of using polyethylene waste (PE) as a feedstock and converted it into valuable chemicals, via light-driven photocatalysis.

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2023-12-23 15:42:03物质与能量
连接的“跑道”使新型光学设备成为可能

When we last checked in with Caltech's Kerry Vahala three years ago, his lab had recently reported the development of a new optical device called a turnkey frequency microcomb that has applications in digital communications, precision time keeping, spect

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2023-12-23 15:42:00物质与能量
研究人员将来自海洋的生物聚合物结合起来,以取代合成塑料薄膜

Materials with enhanced structure derived from crustaceans and seaweed could be part of a next-generation answer to the challenge of replacing petroleum-based plastic films, according to new research from North Carolina State University.

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2023-12-23 15:41:57物质与能量
Chance将有序的碳纳米管扭曲成“龙卷风膜”

Chiral materials interact with light in very precise ways that are useful for building better displays, sensors and more powerful devices. However, engineering properties such as chirality reliably at scale is still a significant challenge in nanotechnolo

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2023-12-23 15:41:53物质与能量
纳米颗粒递送的RNA在实验室测试中减少神经炎症

In mice and human cell cultures, MIT researchers showed that novel nanoparticles can deliver a potential therapy for inflammation in the brain, a prominent symptom in Alzheimer's disease.

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2023-12-23 15:41:50物质与能量
癌症细胞高通量鉴定的非侵入性技术

The electrical properties of cancer cells can provide information on their cancer type, state, and drug resistance. However, conventional platforms to measure these properties are complex and can only analyze a few cells. Researchers from the Tokyo Univer

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2023-12-23 15:41:47物质与能量
为智能纺织品开发的新型导电棉基纤维

A single strand of fiber developed at Washington State University has the flexibility of cotton and the electric conductivity of a polymer, called polyaniline.

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2023-12-23 15:41:44物质与能量
塑料生产和生物降解的环保技术?

Plastic is one of the important materials in modern society, with approximately 460 million tons produced annually and with expected production reaching approximately 1.23 billion tons in 2060. However, since 1950, plastic waste totaling more than 6.3 bil

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2023-12-23 15:41:41物质与能量
铁路行业被敦促考虑太空天气的安全风险

Train accidents could be caused by solar storms switching signalling from red to green according to new research examining the impact of space weather.

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2023-12-23 15:41:38物质与能量
透过率揭示了纳米孔凉爽的一面

Have you ever wondered how water boils in an electric kettle? Most people may think electricity simply heats up the metal coil inside the kettle, which then transfers the heat to the water. But electricity can do more than that. Heat can be generated when

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2023-12-23 15:41:35物质与能量
科学家3D打印自加热微流体设备

MIT researchers have used 3D printing to produce self-heating microfluidic devices, demonstrating a technique which could someday be used to rapidly create cheap, yet accurate, tools to detect a host of diseases.

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