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High-Performance Chip and R & D Package Combine for Record-Setting Efficacy

December 7, 2009 4:00 am | Product Releases | Comments

Cree, Inc. (Nasdaq: CREE), a market leader in LED lighting, announces it has achieved industry-best reported R&D results of 186 lumens per watt for a white power LED. This result demonstrates Cree's continued focus on pushing the performance of its LEDs. Cree's tests confirmed that the LED produced 197 lumens of light output and achieved 186 lumens per watt efficacy at a correlated color temperature of 4577K.

Program Launched to Boost Clean Energy Job Growth

December 7, 2009 3:48 am | News | Comments

The Apollo Alliance released a clean energy investment plan today that will create up to 1.2 million domestic jobs while increasing U.S. energy security and climate stability. The release of Apollo’s 5-point plan coincides with today’s urgent White House jobs summit and amid intensified talk by Congressional leaders of an emergency jobs bill.

Augmented-Reality iPhone App Locates Twitter Pals

December 4, 2009 5:10 am | by Stuart Fox | News | Comments

Like most Internet applications, Twitter connects you with people who seem to exist in a vast, abstract, cyberspace. Now, a new iPhone app from the French company Presselite uses augmented reality to show you exactly where your friends are tweeting from.

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About the new site...

December 4, 2009 3:53 am | by An Engineering Mind | News | Comments

So...remember how I was all "look for a new site March 1st" even though everyone, including Carl, said I shouldn't promise anything? You know, the whole "under-promise, over-deliver" thing? Well, crap got serious in the last month and a half or so, and putting up a new website full of...

Have You Used LED Light Strings?

December 3, 2009 9:53 am | by Energy Savers Blog | Blogs | Comments

This week, you read about LED holiday light strings, which can use 90% less energy than regular incandescent light s

Zubbles – Get Your Colored Bubbles

December 3, 2009 6:53 am | by Curious Cat Science and Engineering Blog | News | Comments

photo of blue colored bubble. I first posted on this in 2005: Colored Bubbles. Now you can order your own via Zubbles. Colored Bubbles Have Landed (and Popped and Vanished) Having solved the colored bubble dilemma, we spent most of 2006 trying to refine our dyes and the manufacturing...

Circuit Protection Considerations for USB 3.0

December 2, 2009 10:44 am | by Kedar Bhatawadekar, Technical Marketing and Product Application Engineer, Tyco Electronics’ Raychem Circuit Protection Products, www.tycoelectronics.com | Articles | Comments

The new USB 3.0 – or “SuperSpeed USB” – protocol was developed to provide higher transfer rates, increased maximum bus power and device current draw, and new power management features, as well as new cables and connectors that are backward-compatible with USB 2.0 devices.

Power Management Design for Portable and Battery Powered Systems

December 2, 2009 9:26 am | by Jacques Lavernhe, System Engineering Manager, ON Semiconductor, www.onsemi.com | Articles | Comments

Integrating the maximum number of functions plus power management into the main chipset for portable, battery powered devices such as mobile phones with capability such as MP3, Mpeg4, and TV, would seem to be critical if an acceptable length of battery life is to be achieved.

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Power MOSFET Design Considerations

December 2, 2009 5:50 am | Articles | Comments

The power MOSFET transistor, along with the decades of continuing device design optimization, has enabled new circuit topologies and improvements in power supply efficiency. The conversion from current-driven to voltage-driven power devices resulted in a rapid market adoption of these devices.

Collin's Lab: Infrared heart sensor

December 2, 2009 4:34 am | Videos | Comments

The beating of the heart is often recorded via sound or simply with touch - but there's also another interesting and somewhat lesser known option - light. An infrared emitter/detector pair can be used along with a programmable microcontroller, to effectively visualize the effects of the human body's hardest-working muscle

Optimizing Touch Panels for the Industrial Environment

December 2, 2009 4:33 am | by Bruce DeVisser, Fujitsu Components America, http://us.fujitsu.com/touchpanels/ | Articles | Comments

In the industrial environment, touch panels, or touchscreens, facilitate operator input in a very simple, yet reliable, way. As touch input-based handheld and mobile devices enter more industrial applications – such as portable flow controls and handheld terminals for field testing – companies need to protect and extend their investment.

Industrial-Strength Features Make a Difference in Embedded Processing

December 2, 2009 4:20 am | by David Katz and Rick Gentile, Analog Devices, Inc. | Articles | Comments

Many general-purpose signal processors are acceptable for industrial applications based on their computing performance and baseline connectivity features. However, there are important peripheral enhancements that can significantly upgrade the processor’s capabilities for more demanding industrial systems.

Save Money with LED Holiday Light Strings

December 1, 2009 8:55 am | by Energy Savers Blog | Blogs | Comments

It's hard to believe, but the holidays are in full swing and many of you are starting to decorate your homes. Those of you who started around Halloween are probably feeling pretty smart because you got your decorating done while the weather was nice.

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20 mV Step-Up Converter for Energy Harvesting Applications

December 1, 2009 6:05 am | Product Releases | Comments

Linear Technology announces the LTC3108, a highly integrated step-up DC/DC converter designed to start-up and run from extremely low input voltage sources such as thermoelectric generators (TEGs), thermopiles and small solar cells. Its self-resonant topology steps up from input voltages as low as 20mV.

Cool stuff for Christmas

December 1, 2009 4:54 am | Articles | Comments

Holidays in New York City are beautiful. The lights, the people, the excitement. However, Christmastime in the city is also a constant reminder that you have gifts to buy for people, regardless of your particular secular rationale. For the style-conscious, the E Ink Digital Calendar Watch from Phosphor is both attractive and cutting-edge...

Magnalight.com Adds 20 Watt LED Spreader Light for Boats

December 1, 2009 4:31 am | Larson Electronics Llc | Product Releases | Comments

Larson Electronics’ magnalight.com announced the addition of the LED10W-4RT-F http://www.magnalight.com/pc-46771-274-40-watt-led-light--3600-lumen--9-32vdc--adjustable-surface-mount--flood-beam.aspx [40 watt led spreader light] for boats, vehicles and equipment.

Cree and Liaoyuan Lighting Demonstrate 98.3 Lumen per Watt LED Streetlight

December 1, 2009 4:10 am | News | Comments

Cree, Inc (Nasdaq: CREE), a market leader in LED lighting, and Ningbo Liaoyuan Lighting Co., hosted the 2009 LED Lighting Fixture Promotion Conference last week in Guangzhou, China. The conference featured government officials and leaders from city street lamp management offices.

Leaders say momentum building on climate change

December 1, 2009 3:56 am | News | Comments

Leaders of the Commonwealth countries called Saturday for a legally binding international agreement on climate change and a global fund with billions of dollars to help poor countries meet its mandates. The 53-nation meeting was the largest gathering of international leaders before next month's global climate summit in Copenhagen.

Energy Efficiency Can Be at the Top of Your Shopping List

November 30, 2009 1:54 pm | by Energy Savers Blog | Blogs | Comments

I don't know about you, but about the last thing I want this year for the holidays is another mustard-yellow sweater. Sure, it's nice to have some extra-warm clothes stashed in the top drawer of the dresser this time of year, but I'm clearly maxed-out in the

Is Becoming and Engineer Really Worth It?

November 30, 2009 11:00 am | by An Engineering Mind | News | Comments

I'm so tempted to track down your home address via your IP address and come over there and punch you. Of course it's worth it. What else are you going to do?

NREL Uncovers Clean Energy Leaders State by State

November 30, 2009 10:57 am | by National Renewable Energy Laboratory | News | Comments

That California and Texas still lead the United States in generating renewable energy probably is no surprise. But, NREL's 2009 State of the States report shows that several smaller states from Maine to Louisiana to Utah are closing the clean energy gap, confirming that every state has...

Norway opens world's first osmotic power plant

November 30, 2009 5:33 am | by Wojciech Moskwa | News | Comments

Norway opened on Tuesday the world's first osmotic power plant, which produces emissions-free electricity by mixing fresh water and sea water through a special membrane.  State-owned utility Statkraft's prototype plant, which for now will produce a tiny 2-4 kilowatts of power or enough to run a coffee machine, will enable Statkraft to test and develop the technology needed to drive down production costs.

We're Back Baby!!!

November 28, 2009 4:53 am | by An Engineering Mind | News | Comments

Some of my co-workers are at the Embedded Systems Conference this week in San Jose and they're presenting a session on how smart kids are these days. I mused on the subject and realized that educating children to eventually take my job is not the best idea. Seriously kids, go watch TV.ps....

Green Living, Green Technologies: Things to Be Thankful For

November 24, 2009 4:53 am | by Energy Savers Blog | Blogs | Comments

It's nearly Thanksgiving, the second of the "big" holidays that break up the last three months of the year. One of the most common family traditions is listing the things for which we are thankful. These are mostly items such as "family," "friends" or "good

Tips to Green Your Home

November 23, 2009 12:52 pm | by Energy Savers Blog | Blogs | Comments

Last week, the Environmental Protection Agency announced its new green homes Web site. The site provides an interactive experience that helps people

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