2023-12-23 15:44:07物质与能量
“圆环”光束帮助物理学家看到难以置信的小物体

In a new study, researchers at the University of Colorado Boulder have used doughnut-shaped beams of light to take detailed images of objects too tiny to view with traditional microscopes.

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2023-12-23 15:44:04物质与能量
工程师们努力绘制材料类别

The properties that make materials like semiconductors so sought after result from the way their atoms are connected, and insight into these atomic configurations can help scientists design new materials or use existing materials in new, unforeseen ways.

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2023-12-23 15:44:00物质与能量
超薄碳制成的微型电磁铁

Graphene, that is extremely thin carbon, is considered a true miracle material. An international research team has now added another facet to its diverse properties with experiments at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR): The experts, led by t

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2023-12-23 15:43:58物质与能量
量子物理学:超导纳米线探测单个蛋白质离子

An international research team led by quantum physicist Markus Arndt (University of Vienna) has achieved a breakthrough in the detection of protein ions: Due to their high energy sensitivity, superconducting nanowire detectors achieve almost 100% quantum

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2023-12-23 15:43:56物质与能量
新理论将爱因斯坦引力与量子力学结合起来

A radical theory that consistently unifies gravity and quantum mechanics while preserving Einstein's classical concept of spacetime is announced today in two papers published simultaneously by UCL (University College London) physicists.

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2023-12-23 15:43:53物质与能量
纳米造影剂和药物载体通过自折叠分子的突破

Self-folding polymers containing gadolinium forming nanosized complexes could be the key to enhanced magnetic resonance imaging and next-generation drug delivery, as demonstrated by scientists at Tokyo Tech. Thanks to their small size, low toxicity, and g

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2023-12-23 15:43:50物质与能量
跟踪无法检测的太空垃圾

Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using an approach proposed by researchers from the University of Michigan.

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2023-12-23 15:43:47物质与能量
从飞碟的喧闹声中教授物理

Disc golf is booming, with record numbers of players turning up each year to partake in the disc-throwing sport. It is also whizzing and whistling. In fact, the sound a disc makes while soaring through the air toward its target is full of information abou

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2023-12-23 15:43:44物质与能量
蜗牛启发的机器人可以抓取海洋微塑料

Inspired by a small and slow snail, scientists have developed a robot protype that may one day scoop up microplastics from the surfaces of oceans, seas and lakes.

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2023-12-23 15:43:43物质与能量
无针超声波疫苗递送

An estimated quarter of adults and two-thirds of children have strong fears around needles, according to the U.S. Centers for Disease Control and Prevention. Yet, public health depends on people being willing to receive vaccines, which are often administe

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2023-12-23 15:43:41物质与能量
新型可穿戴通信系统有可能缩小数字健康鸿沟

Wearable devices that use sensors to monitor biological signals can play an important role in health care. These devices provide valuable information that allows providers to predict, diagnose and treat a variety of conditions while improving access to ca

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2023-12-23 15:43:39物质与能量
光学数据存储突破

Physicists at The City College of New York have developed a technique with the potential to enhance optical data storage capacity in diamonds. This is possible by multiplexing the storage in the spectral domain. The research by Richard G. Monge and Tom De

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