As the U.S. military increases its use of drones in surveillance and combat overseas, the danger posed by a threat back at home grows. Many drone flights are piloted by soldiers located in the U.S., even when the drones are ...
Energy & Green Tech
Sep 14, 2017
0
78
In December 2015, Russian hackers allegedly pummeled Ukraine's power grid, disrupting the flow of electricity for nearly a quarter-million Ukrainians. Then, in December 2016, roughly a year after the first attack, the hackers ...
Computer Sciences
Sep 13, 2017
0
7
The total solar eclipse that captivated the United States this week was more than just a celestial spectacle (and a reminder to take care of your eyes). It was also a valuable lesson in how to manage electricity grids when ...
Energy & Green Tech
Aug 23, 2017
5
28
Its efforts to cut pollution have made China the world leader in renewable energy development, yet that green power has been wasted as the country struggles to integrate wind and solar farms into an outdated and balkanized ...
Energy & Green Tech
Jun 5, 2017
0
9
To ensure that the US electric grid remains stable and resilient, power generators in three main regions (Eastern, Western, and Texas) must be synchronized, all operating at the frequency of 60 hertz. Because generators interact ...
Energy & Green Tech
May 22, 2017
0
15
Solar power can cover up to 40 percent of the electricity needs of a typical Belgian household. Going beyond that level becomes really expensive: using batteries coupled with solar panels would be twice as expensive as using ...
Energy & Green Tech
May 15, 2017
6
20
When Shuaiwen Leon Song boots up Doom 3 and Half-life 2, he does so in the name of science. Song studies high performance computing at Pacific Northwest National Laboratory, with the goal of making computers smaller, faster ...
Computer Sciences
Apr 20, 2017
0
4
Reliability measures of electrical grid has risen to a new norm as it involves physical security and cybersecurity. Threats to either can trigger instability, leading to blackouts and economic losses.
Energy & Green Tech
Feb 10, 2017
1
138
An electronic power converter is a system that adapts electric energy from a source to a specific load need. "For example, it's the system that obtains energy from the electricity grid through a socket and adapts it to charge ...
Software
Feb 10, 2017
0
6
When Ghanaian Abu Yaya wondered why his country imports all of its electroporcelain – a small but crucial component for electrical power transmission – it led to a collaboration with Cambridge materials scientist Kevin ...
Energy & Green Tech
Feb 7, 2017
1
12
