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China web freedom group faces online disruption

March 20, 2015 10:10 am | by MATTHEW PENNINGTON, Associated Press | News | Comments

A U.S.-subsidized advocacy group that helps Internet users inside China bypass blockages on censored content says it is suffering a mysterious denial-of-service attack disrupting its operations. Greatfire.org says the attack started two days ago and Internet traffic ...

High-efficiency GaN PA delivers 100W in S-Band

March 20, 2015 10:00 am | by Rfmw Ltd | Rfmw Ltd | Product Releases | Comments

RFMW, Ltd. announces design and sales support for a GaN power amplifier delivering 100W Psat power from 3.1 to 3.6GHz. Designed for S-band radar applications, the TGA2813-CP is a flanged, surface mount amplifier with a pure copper base providing superior thermal management. Power gain for the Qorvo TGA2813-CP is rated at 23dB with a 27dBm ...

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Is a family of engineers the best kind of role model? (Yes.)

March 20, 2015 9:58 am | by Kasey Panetta, Editor, @kcpanetta | Blogs | Comments

Meet Mary Scherer, Ohio State sophomore in Electrical and Computer Engineering, Engineers for Community Service (ECOS) Project Team Leader, Institute of Electrical and Electronics Engineers (IEEE) Secretary

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Ceramic chip capacitors deliver high reliability for automotive applications

March 20, 2015 9:26 am | by Vishay Intertechnology | Vishay Intertechnology | Product Releases | Comments

New Vishay Intertechnology RoHS-Compliant SMD MLCCs Deliver High Reliability for Automotive Applications Featuring Voltages to 3000 VDC, Devices Offer C0G (NP0), X7R, and X8R Dielectrics in Six Case Sizes From 0402 to 1812 MALVERN, Pa. — March 11, 2015 — Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new series of RoHS-compliant, surface-mount multilayer ceramic chip capacito...

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Iron rain fell on early Earth, new Z machine data supports

March 20, 2015 8:02 am | by Sandia National Laboratories | News | Comments

Researchers at Sandia National Laboratories’ Z machine have helped untangle a long-standing mystery of astrophysics: why iron is found spattered throughout Earth’s mantle, the roughly 2,000-mile thick region between Earth’s core and its crust. At first blush, it seemed more ...

Clean energy future: New cheap and efficient electrode for splitting water

March 19, 2015 1:40 pm | by EurekAlert! | News | Comments

UNSW Australia scientists have developed a highly efficient oxygen-producing electrode for splitting water that has the potential to be scaled up for industrial production of the clean energy fuel, hydrogen. The new technology is based on an inexpensive, specially coated ...

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Imperfect graphene opens door to better fuel cells

March 19, 2015 1:00 pm | by EurekAlert! | News | Comments

The honeycomb structure of pristine graphene is beautiful, but Northwestern University scientists, together with collaborators from five other institutions, have discovered that if the graphene naturally has a few tiny holes in it, you have a proton-selective membrane that could ...

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Hidden benefits of electric vehicles revealed

March 19, 2015 12:51 pm | by EurekAlert! | News | Comments

Electric vehicles are cool, research shows. Literally. A study in this week's Scientific Reports by researchers at Michigan State University (MSU) and in China add more fuel to the already hot debate about whether electric vehicles ...

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Chemistry research holds great promise for advancing sustainable energy

March 19, 2015 12:48 pm | by EurekAlert! | News | Comments

New research published by Rutgers University chemists has documented significant progress confronting one of the main challenges inhibiting widespread utilization of sustainable power: Creating a cost-effective process to store energy so it can be used later....

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AC/DC power supplies operate from a universal input of 85VAC to 264 VAC

March 19, 2015 12:09 pm | by MicroPower Direct, LLC | MicroPower Direct, LLC | Product Releases | Comments

Now available from MicroPower Direct, the MPL-05SEUP series is a family of ultra-miniature, 5W AC/DC power supplies. These low cost power supplies are specifically designed to provide the small package, robust features and safety approval required for a variety of board level applications where performance requirements are high....

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Economical power supplies include output up to 600W

March 19, 2015 11:30 am | by Saelig Company, Inc. | Saelig Company, Inc. | Product Releases | Comments

Saelig Company, Inc. has introduced the BENCH range of economical programmable power supplies - compact, remote-controllable, single-output DC power supplies with available power output up to 600W. The range includes voltages from 20V to 1000V output, and 1.5A to 30A current to a maximum of 600W....

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Engineering Update #102: Goodyear's electricity generating tire

March 19, 2015 11:21 am | by Jon Dipierro, Kasey Panetta, Jason Lomberg, & Janine E. Mooney | Videos | Comments

We’ve all heard of regenerative-braking, where kinetic energy from brakes is captured and returned to the vehicle’s batteries. Most of the popular hybrid and pure electric vehicles like the Prius, Tesla Roadster, and Chevy Volt use some form of regenerative breaking....

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The future of government and military space

March 19, 2015 11:04 am | by Jason Lomberg, Digital Editor, @JasonECNMag | Blogs | Comments

Earlier this week, I took a ride down to the nation’s capital for the Satellite 2015 expo and was fortunate enough to attend the panel “The Future of Government and Military Space: Safe Bets and Bold Predictions.” Moderated by Vice Admiral Lyle Bien (Ret.) and sporting an esteemed panel ...

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Why are smart meters so dumb?

March 19, 2015 8:44 am | by Cees Links, CEO of GreenPeak - Cees.links@greenpeak.com | Blogs | Comments

At the recent CES show in Las Vegas, everyone was talking about the Smart Home and the Internet of Things. We are seeing predictions that this will soon be a very big market — 20 billion dollars a year or more! But if you look around and try to see how many smart homes devices ...

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Autonomous vehicles are everywhere

March 19, 2015 8:34 am | by Dr Peter Harrop, Chairman, IDTechEx | Blogs | Comments

Autonomous vehicles are successful here and now but you are unlikely to meet one because the successes are in the upper atmosphere, open cast mines, nuclear power stations, underwater and in other relatively inaccessible places. As the new IDTechEx report ...

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