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U.N. climate report warns of increased risk to crops

March 31, 2014 1:12 pm | by MIT Technology Review | News | Comments

Crop yields are expected to decline due to climate change faster than scientists thought.A few years ago scientists thought climate change wouldn’t cause much harm to overall food production until temperatures in a region rose by three to four degrees Celsius compared to current levels....

Power shunt resistors provide precise sensing of high currents

March 31, 2014 1:06 pm | Koa Speer Electronics, Inc. | Product Releases | Comments

KOA Speer Electronics (Bradford, PA) has expanded their line of Power Shunt Resistors to include the PSI and PSE series, which address higher-current applications. The power ratings of the PSE (5 Watts) and PSI (3 Watts) allow these resistors to offer a smooth current flow....

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Intelligent LED controller offers I2C control and low standby power

March 31, 2014 12:58 pm | Marvell Semiconductor | Product Releases | Comments

Marvell (Santa Clara, CA) announced its new AC/DC LED driver Integrated Circuit (IC), the Marvell 88EM8189 featuring I2C compatible digital interface integration to connect with a networking microcontroller that runs a lighting control protocol, such as Zigbee, for smart wireless bulbs....

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A breakthrough in creating invisibility cloaks, stealth technology

March 31, 2014 12:45 pm | by EurekAlert! | News | Comments

Controlling and bending light around an object so it appears invisible to the naked eye is the theory behind fictional invisibility cloaks. It may seem easy in Hollywood movies, but is hard to create in real life because no material in nature has the properties necessary to bend light in such a way....

A robot walks into a bar

March 31, 2014 12:41 pm | by EurekAlert! | News | Comments

The image of a joke-telling robot, that can tailor its repartee while performing a stand-up comedy routine, has won the overall prize in a national science photography competition organised by the Engineering and Physical Sciences Research Council (EPSRC)....

Researchers develop device that simulates gastro-intestinal tract

March 31, 2014 12:38 pm | by EurekAlert! | News | Comments

A breakthrough in drug testing developed by a University of Huddersfield lecturer could lead to cheaper, more effective medicines. Dr Hamid Merchant is a member of the team that has created a device which accurately simulates the gastro-intestinal tract and how it absorbs medication....

Never say never in the nano-world

March 31, 2014 12:27 pm | by EurekAlert! | News | Comments

Objects with sizes in the nanometer range, such as the molecular building blocks of living cells or nanotechnological devices, are continuously exposed to random collisions with surrounding molecules. In such fluctuating environments the fundamental laws of thermodynamics...

Another Apple-Samsung skirmish heads to court

March 31, 2014 12:22 pm | by MARTHA MENDOZA, AP National Writer | News | Comments

The fiercest rivalry in the world of smartphones is heading back to court this week in the heart of the Silicon Valley, with Apple and Samsung accusing each other, once again, of ripping off designs and features. The trial will mark the latest round in a long-running series of lawsuits between the two tech giants....

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Diamonds are an oil's best friend

March 31, 2014 12:18 pm | by EurekAlert! | News | Comments

A mixture of diamond nanoparticles and mineral oil easily outperforms other types of fluid created for heat-transfer applications, according to new research by Rice University. Rice scientists mixed very low concentrations of diamond particles (about 6 nanometers in diameter) with mineral oil....

Helmholtz Prize for the 'new' ampere

March 31, 2014 12:16 pm | by EurekAlert! | News | Comments

Quantum standards for the electrical units the volt and the ohm have been available for more than two decades. However, for the electrical base unit of the international system of units (SI) the ampere, such a "new" quantum standard is still lacking....

US Supreme Court could limit software patents

March 31, 2014 12:09 pm | by Sam Hananel - Associated Press - Associated Press | News | Comments

The Supreme Court appears willing to make it tougher to approve patents for computer software in a case that is being closely watched by technology companies. But the justices on Monday struggled to come up with a middle ground that would recognize true inventions as opposed to those that simply...

Best Practices in PCB design

March 31, 2014 12:01 pm | by Screaming Circuits | Blogs | Comments

If you do happen to end up at the EE Live show, be sure to catch my session: Best Practices in Circuit Board Design. I'll show the most common traps we see that can cause manufacturability issues. The session is...

Screaming Circuits at EE Live

March 31, 2014 11:53 am | by Screaming Circuits | Blogs | Comments

If you're in San Jose, CA this week, stop by and see us at the EE Live show. We'll be in booth 927 - just a short walk, and a laft turn from the entrance. Show hours are: Tuesday, April...

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New Zealand physicists split and collide ultracold atom clouds

March 31, 2014 11:32 am | by EurekAlert! | News | Comments

Physicists at New Zealand's University of Otago have pushed the frontiers of quantum technology by developing a steerable 'optical tweezers' unit that uses intense laser beams to precisely split minute clouds of ultracold atoms and to smash them together....

What will climate policy mean for coal?

March 31, 2014 11:25 am | by EurekAlert! | News | Comments

Limiting climate change to 2°C means shutting down coal power plants - an unpopular proposition for coal power companies. But a new study shows that delaying climate policies could prove even worse for power plant owners. Coal power plants are a major source of greenhouse gas emissions....

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