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CASA radar tracks tornadoes down the street and up to the minute, literally!
CASA radar tornadoes down the street up to the minute
2015/3/25
A new generation of smaller, highly capable radar systems in the Dallas/Fort Worth area is able to track with more accuracy the location of tornadoes and other severe weather conditions, such as heavy...
In an effort to better promote discovery science and engineering to a wider range of audiences, the National Science Foundation (NSF) has launched three new multimedia communications vehicles: a video...
Researchers work to counter a new class of coffee shop hackers
counter a new class coffee shop hackers
2015/1/20
If you’re sitting in a coffee shop, tapping away on your laptop, feeling safe from hackers because you didn’t connect to the shop’s wi-fi, think again. The bad guys may be able to see what you’re doin...
俄罗斯科学家研制成功新型“穿墙透视器”
俄罗斯科学家 穿墙透视器
2014/11/3
据《俄罗斯日报》近期消息,俄罗斯试验开发设计局的研究人员研制成功一种能穿透障碍物,搜寻目标的仪器。该仪器工作原理类似于雷达,通过发射波并回收由目标物体反射回来的波而搜寻目标。其区别于其它类似仪器的主要优点在于:一是其它仪器发射波的波段一般较窄,造成穿透能力弱,搜寻效果不佳,而该新型仪器发射波段位于1-3.5吉赫,搜寻效果较佳;二是这种新型仪器通过发射只有550皮秒的短脉冲,极大地提高了搜寻移动目标...
Cybersecurity: It's about way more than countering hackers(图)
Cybersecurity countering hackers
2014/12/1
It's tense in the situation room. A cyber attack on the electrical grid in New York City has plunged Manhattan into darkness on a day that happens to be the coldest in the year. Concurrently, the cell...
It's tense in the situation room. A cyber attack on the electrical grid in New York City has plunged Manhattan into darkness on a day that happens to be the coldest in the year. Concurrently, the cell...
Leading researchers to discuss privacy and security in a connected age
Internet era banks electrical grids
2014/10/30
As we increasingly rely on the Internet to connect to everything from banks and electrical grids to medical devices and autonomous vehicles, we are exposed to new vulnerabilities that threaten our sec...
Computing innovations for a sustainable society
Computing innovations Communication technology
2014/10/16
Developing a sustainable society requires an all-hands-on-deck effort, one in which computer science and information technology have an important role to play.
The ability to collect and analyze massive amounts of data is rapidly transforming science, industry and everyday life, but what we have seen so far is likely just the tip of the iceberg. Many of the ...
欧洲天线学会系列讲习班在同济大学举行
欧洲天线学会 讲习班 同济大学
2014/9/28
日前,由欧洲天线学会和马德里理工大学主办,同济大学中西学院协办的欧洲天线学会系列讲习班在我校四平路校区举行。来自马德里理工大学及欧洲天线学会的三位老师分别进行了为期三天的讲习。
我校电信学院的师生和来自成都、杭州等全国各地的30多位专业人士参加了本次活动,认为此次系列讲习班内容丰富、学术含量高。
Decades of research on how bats use echolocation to keep a focus on their targets not only lends support to a long debated neuroscience hypothesis about vision but also could lead to smarter sonar and...
日本开发新型数字无线基站
日本 新型 数字无线基站
2014/7/22
日本NEC公司最近开发成功用于无线基站的数字无线通信系统。新系统的功耗仅为同等规模模拟系统的60%,并在设备体积减小一半的同时,增加了可选择的使用频率带宽。NEC公司在美国佛罗里达州6月举办的全球微波领域最大规模的“国际微波研讨会(IMS2014)”上发布了此项技术。
英国帝国理工学院校长基思·奥尼恩斯:“世界有越来越多问题需要我们共同面对”(图)
基思·奥尼恩斯 教育 科技
2014/7/21
“能源、环境、健康……不管你是在中国、在美国还是在英国,其实我们所面临的挑战并没有太大的区别。”“在科研和教育、科技成果转化等方面,世界应该是流动的。在很多时候,这样的流动,是科学发展的动力所在。”帝国理工学院校长基思·奥尼恩斯日前在浙江大学参加以“大数据:健康·智能城市”为主题的“浙江大学-帝国理工日”活动中,作了题为《全球化与21世纪的大学》的主题演讲并接受多家媒体记者采访,他说,浙大与帝国理...
Carnegie Mellon, Microsoft Research automate privacy compliance for big data systems
Carnegie Mellon Microsoft Research automate privacy compliance big data systems
2014/6/12
PITTSBURGH—Web services companies, such as Facebook, Google and Microsoft, all make promises about how they will use personal information they gather. But ensuring that millions of lines of code in th...
Communicating with the world across the border
Communicating with the world across the border
2014/6/12
Stanford, CA—All living cells are held together by membranes, which provide a barrier to the transport of nutrients. They are also the communication platform connecting the outside world to the cell’s...