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
Most website visits these days entail a database query—to look up airline flights, for example, or to find the fastest driving route between two addresses.
Computer Sciences
Mar 23, 2017
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76
The gig: Apoorva Mehta, 30, is the founder and chief executive of San Francisco grocery delivery startup Instacart. Over the last four years, he has grown the company to more than 300 full-time employees and tens of thousands ...
Business
Feb 9, 2017
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9
German carmakers BMW, Daimler, Porsche and Audi and US competitor Ford said on Tuesday they would cooperate on a Europe-wide network of electric charging stations.
Energy & Green Tech
Nov 29, 2016
0
22
For wireless communication, we're all stuck on the same traffic-clogged highway—it's a section of the electromagnetic spectrum known as radio waves.
Nanophysics
Nov 1, 2016
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46
Networks of tiny wireless sensors could not only improve safety at railway crossings but would also be much less costly to install and maintain, drawing their electrical power from track vibration. These are among the findings ...
Engineering
Aug 18, 2016
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8
In recent years, some of the most exciting advances in artificial intelligence have come courtesy of convolutional neural networks, large virtual networks of simple information-processing units, which are loosely modeled ...
Computer Sciences
Feb 3, 2016
0
55
Keysight Technologies, Inc., in collaboration with electrical engineers at the University of California, San Diego, has demonstrated the world's first 64 (8 x 8) and 256-element (16 x 16), 60-GHz silicon wafer-scale phased-array ...
Telecom
Dec 1, 2015
0
3415
(Phys.org)—About 350,000 plug-in electric vehicles (EVs) have been sold in the US from 2008—when they first entered the market—to mid-2015. Although EVs still represent a small fraction of the country's 250 million ...
Researchers at Lehigh University have identified for the first time that a performance gain in the electrical conductivity of random metal nanowire networks can be achieved by slightly restricting nanowire orientation. The ...
Nanomaterials
May 15, 2015
0
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