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俄物理学家创建“量子网络”加速新方法
俄物理学家 量子网络 加速方法
2017/12/12
量子纠缠现象是现代量子技术的基础，在量子通信系统中发挥着至关重要的作用。根据量子不可克隆定理，量子通信系统完全排除了窃听的可能性。目前，欧洲、中国、美国都在积极研发量子通信系统。
NSF investments aim to address growing cybersecurity challenge（图）
NSF investments aim address growing cybersecurity challenge
2017/11/23
Today, the National Science Foundation (NSF) announced $74.5 million in funding for foundational research and education that aims to address the growing cybersecurity challenge. This investment, throu...
UW team shatters long-range communication barrier for devices that consume almost no power（图）
UW team shatters long-range communication barrier consume almost no power
2017/9/20
University of Washington researchers have demonstrated for the first time that devices that run on almost zero power can transmit data across distances of up to 2.8 kilometers — breaking a long-held b...
High-Frequency Chip Brings Researchers Closer to Next Generation Technology（图）
high-frequency chip researchers next generation technology
2017/9/5
A novel, high-frequency electronic chip potentially capable of transmitting tens of gigabits of data per second — a rate that is orders of magnitude above the fastest internet speeds available today —...
Accelerating the Mobile Web：“Vroom”'Software Could Double its Speed（图）
accelerating the mobile web vroom software double its speed
2017/9/5
Despite that most web traffic today comes from smartphones and tablets, the mobile web remains inconveniently slow. Even on fast 4G networks, a page takes 14 seconds to load on average–an eternity in ...
Scientists report first data transmission through terahertz multiplexer（图）
scientists first data transmission terahertz multiplexer
2017/9/5
Multiplexing, the ability to send multiple signals through a single channel, is a fundamental feature of any voice or data communication system. An international research team has demonstrated for the...
南非SKA先导项目MeerKAT取得新进展
SKA MeerKAT
2017/7/4
据南非政府新闻网报道，南非“平方公里阵列”(简称SKA)巨型射电望远镜阵列先导项目MeerKAT已建成的32个天线与单极化相关器目前按计划实现了集成并运行拍摄，成为项目建设的一个里程碑事件。
RIT team creates high-speed internet lane for emergency situations
RIT team high-speed internet lane emergency situations
2017/7/20
In a disaster, a delay can mean the difference between life and death. Emergency responders don’t have time to wait in traffic—even on the congested information superhighway.That’s why researchers at ...
A paper-thin, flexible device created at Michigan State University not only can generate energy from human motion, it can act as a loudspeaker and microphone as well, nanotechnology researchers report...
Researchers develop radar simulator to characterize scattering of debris in tornadoes
Researchers radar simulator scattering debris tornadoes
2017/7/19
Researchers have developed the first numerical polarimetric radar simulator to study and characterize the scattering of debris particles in tornadoes. (See video)
The results of their study are publi...
OU Researchers Develop Radar Simulator to Characterize Scattering Mechanisms of Debris Particles in Tornadoes
OU Researchers Radar Simulator Characterize Scattering Mechanisms Debris Particles Tornadoes
2017/7/19
A University of Oklahoma research team with the Advanced Radar Research Center has developed the first numerical polarimetric radar simulator to study and characterize scattering mechanisms of debris ...
日本将全息图显示运算速度提高2万倍
全息图显示运算 波面记录法
2017/3/21
日本千叶大学的研究小组通过改进算法，大幅减少运算量，开发出世界最快的全息图显示技术，再现一张三维立体图像比一般方法快2万倍，从而使全息技术放映立体动画的技术进一步接近实用化。
NSF awards $6.1 million to accelerate advanced wireless research,push beyond 5G
NSF awards $6.1 million accelerate advanced wireless research beyond 5G
2017/3/14
Today, the National Science Foundation (NSF) announced a $6.1 million, five-year award to accelerate fundamental research on wireless communication and networking technologies through the foundation's...
美国国家电信与信息管理局（NTIA）与国家科学基金会（NSF）近日联合发布《国家宽带研究议程》报告，指出美国未来宽带发展的关键领域。该报告关注宽带技术、宽带部署、宽带使用及扩散、宽带经济社会影响四大领域，为未来的技术研发与数据收集提供了顶层框架，并为协调各联邦政府部门的行动提出了建议。在宽带技术领域，该报告重点关注了四方面的技术：新兴宽带基础设施与系统、宽带设施韧性与公共安全、下一代体系结构、安全...
Infrared links could simplify data center communications
Infrared links simplify data center communications
2017/2/16
Data centers are the central point of many, if not most, information systems today, but the masses of wires interconnecting the servers and piled high on racks begins to resemble last year's tangled C...