greentechZONE Archive of engeniusBLOG
Apr 21, 2008 at 00:00
Regardless of who wins the quadrennial slow-motion train wreck we call the US presidential election this November (2008), any responsible leader is going to have to bring our energy policy in line with the environmental and economic realities that we’ve spent the last eight years desperately trying to ignore. If there is any good news here, it’s that the private sector has been awake nights thinking about these matters and has lots of very useful information ready to share with a leader willing to listen. Some of the best of this thinking has appeared in the form of three highly-readable books that provide some excellent insights into the historic and economic factors that led to our dependence on fossil fuels, as well as the technologies and polices that could end it. Whether you’re the next occupant of the Oval Office, or just one of the folks that puts him or her there, I’d consider these three very different books to be required reading before the... -- Click Here to Read More >>
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Feb 25, 2008 at 00:00
The Navy put on an amazing demonstration of hyper-ballistic marksmanship when one of its SM-3 missiles neatly pierced NROL-21 (also known as USA 193), one of our ailing spy satellites, a day or so before its decaying orbit brought its remains home to Earth. Reminiscent of the hubbub surrounding the last days of Skylab before it made its fiery re-entry in the fall of 1979, the media and the blogosphere have been abuzz with the images and small scraps of information doled out to us by the military. As a veteran of the aerospace community, I found the whole a... -- Click Here to Read More >>
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Jan 21, 2008 at 00:00
Although I will always remember Lonnie Johnson as the guy who helped me shoehorn a high-resolution mapping camera onto the Mars Observer spacecraft, he’s better known to most of the world as the inventor of the Super Soaker water gun. Now, if all goes well, he may be even better-remembered for his new solid-state heat engine that may outperform even the best solar cells at converting sunlight to electricity. Since neither the company web site nor the recent Popular Mechanics article about his Thermoelectric Energy Conversion System (JTEC) provides photos of a working device or test data, I cannot help but wonder about how far along the technology actually is and whether there are any technical problems that could keep it from reaching commercial viabili... -- Click Here to Read More >>
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Oct 29, 2007 at 00:00
Whooeee! I’d better dust off my old bell bottom jeans and see if those tie-dye t-shirts still fit because it looks like ecology’s back in fashion. At least that’s what one could assume if the huge response to my call for suggestions for environmentally-friendly holiday gifts in last month’s editorial (see Going Green, Giving Green) is any indicator. Many of the products seeking entry into this year’s Green Gift Guide are innovative, environmentally-friendly, and often downright sexy, but the real evidence that eco-consumerism has hit the mainstream lies in the handful of completely inappropriate toys, gadgets and other cheaply-made junk that’s trying to pass itself off as green. Yes folks, green has become the new Red White and Blue<... -- Click Here to Read More >>
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Sep 17, 2007 at 00:00
It took discovering the Halloween candy on sale in our local supermarket on the hottest day of August for me to realize that that the winter holidays are rapidly approaching and I’d better get cracking on this year’s Green Gift Guide. For those of you not familiar with our annual Guide, it’s a project I started a few years ago to help tech-savvy folks find gifts, gadgets, toys, and essentials for daily living that use technology to improve our quality of life without trashing the planet in the process.
This year, I’m hoping you’ll help me shine the spotlight on the companies who are starting to change the way we make and use technology.
Although I’m a certified sandal-wearing tree-hugger, it doesn’t mean that I don’t like my toys so I’ve tended to bias the Guide entries towards things like electric bicycles, Click Here to Read More >>
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Jul 30, 2007 at 00:00
The tremendous popularity renewable energy is enjoying both within the engineering and financial communities is a mixed blessing because it’s also helped generate a dense cloud of disinformation around the topic. Whether it’s overstating the benefits of corn-derived ethanol, or knocking hybrid cars as less eco-friendly than a Hummer 1, the less-than-whole truths and urban legends being slung about by green tech proponents, and opponents, are making it difficult to make rational choices about how best to develop the technologies we’ll need build the kind of future we’d be proud to turn over to our grandkids.
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Jul 02, 2007 at 00:00
When scientific questions are elevated to public significance they are debated in a way that is utterly nonscientific -- eloquence, prejudice, even ridicule sway public opinion when facts are perceived as too arcane for the populace to understand. So, today, I invite you to use scientific techniques to address a fundamental point in the global warming debate.
Is it reasonable to expect the general populace to be scientifically literate? We expect citizens to be able to read, why not expect them to remember a little high school science? Or is the problem that scientists so rarely invite the populace to the argument that it is unreasonable to expect them to know the language?
Here's your invitation: calculate the percentage increase in the carbon dioxide content of the atmosphere due to the oil that people burned last year. As you can see, this argument rather lacks eloquence. -- Click Here to Read More >>
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Jul 02, 2007 at 00:00
When attending conferences, I normally avoid keynote speeches, any panel that involves analysts, and briefings with CEOs. That's because the heavily-scripted materials at such events usually contain so little new information that, according to Shannon's Law, they can be classified as noise. That's why I was pleasantly surprised when Freescale CEO Michel Mayer offered some very useful insights on the future of our industry when he addressed a gathering of the tech media at their annual Technology Forum in Orlando. While the analysis he presented was intended to provide guidance for the traditional electronics industry, it provides some valuable insights and a very hopeful message for those of us interested in green-tech and other socially-responsible applications of technology.
One of Mayer's basic premises is that the consolidation we're seeing in the semiconductor indus... -- Click Here to Read More >>
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May 21, 2007 at 00:00
As weird as they look, I have a certain fondness for Bluetooth headsets because they always make me think of my childhood heartthrob Lt. Uhura, everyone's favorite communication officer on the Starship Enterprise. Besides being a pioneering role model for African-American women, her low-cut uniform and high-tech headset presaged the geek-chic look twenty-five years ahead of its time. While we may not be able to open a hailing frequency, or decode an Antarean sub-space transmission, with the Bluetooth headsets that have blossomed lately in so many ears, they certainly give us a taste of what the future may look like. And now that reality is bumping up against fiction, I've got mixed feelings ab... -- Click Here to Read More >>
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Apr 16, 2007 at 00:00
I saw lots of hints that green power issues are on the minds of the industry's early adopters when I attended the Embedded Systems Conference where former Vice President Al Gore challenged the engineers attending his keynote with developing the tools to build a greener future. Mr Gore's inspirational talk -- and flashy demos, like the teardown of a Toyota Prius on the show floor -- are great ways to raise the average engineer's awareness about their potential role in designing more energy-efficient products; but it won't amount to anything without some solid follow-up.
That's why I'd like to challenge my colleagues David, Rich, Patrick, and the rest of the ESC team to move beyond the sizzle and start to give engineers some of the tools they'll need to build the energy-efficient technologies t... -- Click Here to Read More >>
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Feb 26, 2007 at 00:00
How wonderful that we have met with a paradox. Now we have some hope of making progress. -Niels Bohr
After a day of sticking my head inside VLSI chips and Internet protocols, I try to clear it out with something less technical, often in the form of a novel. But thanks to an unexpected holiday gift, I've had the pleasure of spending the last week's worth of stolen late night hours with Suspended in Language, the illustrated biography of Dr. Niels Bohr's life and discoveries. Remember Niels Bohr? If the name only conjures up fuzzy recollections involving something to do with Einstein and Quantum mechanics, you're not alone. Although he was a minor celebrity in the 1930s, 1940s and 1950s, few people today (including myself) outside the physics community really grasp the central role he played in shaping our current understanding of the universe. So it's been a treat for both the intellect and the soul to f... -- Click Here to Read More >>
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Jan 15, 2007 at 00:00
Editor's Note:
It's easy to take a pessimistic view of the future, at least until you meet a young lady like Sasha Mathas. Inspired by Al Gore's movie An Inconvenient Truth, this junior high school student decided to see what she could do to help us prevent the troubling future the movie warned about. The article below is the first fruit of a semester-long independent study course she and her mom (an industry colleague) put together to see what an ordinary citizen could do on a personal level to reduce their own "carbon footprint." Her first report documents the changes she's helped make in her own household to reduce the family's carbon footprint. A future installment will document the work being done by her local school district to cut its fossil energ... -- Click Here to Read More >>
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Jan 01, 2007 at 00:00
The goals of big business and the Federal Government are not always in alignment, but national RoHS and WEEE laws that mirror the European Union's directives are in the best interest of the US electronics industry -- for manufacturers, distributors and end users alike. A look at the current landscape reveals why.
With no national RoHS-style legislation yet proposed (or likely even discussed), California has gone ahead and enacted its own rule (SB20/SB50).
California's RoHS rule is not as comprehensive as the EU directive, doesn't take effect until January 1, 2007, and addresses only 4 of the 6 substances that the EU RoHS addresses (cadmium, lead, mercury and hexavalent chromium). It also only applies to a select group of products sold through California retailers (laptops, CRTs and TVs with screens greater than 4 inches in size). The scope of SB20/SB50, however, is sure to expand over time.Click Here to Read More >>
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Nov 06, 2006 at 00:00
Until recently, it was easy for the average engineer or tech worker to think of environmental issues as somebody else's problem, but the British Treasury's release of the "Stern Review on the Economics of Climate Change" draws a bright, shining connection between how we treat our home planet's life support systems and our pocketbooks. With a clear, carefully-documented analysis that only a flat-Earther could ignore, Sir Nicholas Stern, Head of the Government Economic Service, explains that we have a decade or two to get our butts into gear and start cutting our CO2 emissions to near-zero or face disruptions in the global economy that will make America's Click Here to Read More >>
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Oct 02, 2006 at 00:00
With the EU Reduction of Hazardous Substances (RoHS) directives now being enforced in the 30% of the global economy they represent, we face an important decision here in the US. Should we adopt the same requirements as the law of the land, or should we just let market forces govern how each state chooses to deal with this, and other upcoming issues about electronics and the environment?
From what I can see, failure to harmonize our RoHS laws with the EU would be a grave disservice to both the US electronics industry and our nation's environment.
In his recent guest editorial, Paul Tallentire, President of electronics distributor NewarkInOne, explained that the costs manufacturers will face when they attempt to comply with a patchwork of statewide RoHS laws will far outweigh the cost of compliance with the stringent European standards:
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