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Politics : Rat's Nest - Chronicles of Collapse -- Ignore unavailable to you. Want to Upgrade?


To: Wharf Rat who wrote (4070)5/4/2006 4:09:30 PM
From: Wharf Rat  Respond to of 24210
 
Hi Toders
Regarding the limits toward renewable energy, Ted Trainer has put up lots of research to analyse the current offer.

Note that personnaly I think that small scale wind turbines may be some kind of solution. Small scale wind turbines can be fixed using garage technology and can even be made by using scrapp copper, aluminium and steel.

I say scrap metal because I dont think we will be able to bring much solution before system collapse hapen because of the enormous inertia in the whole society. Scrap metal will be found in cars, houses, etc.

You have to think that when you will be implementing solution, the following wont be available : current systemic stability and working economy.

Wind and hydro turbines will be used for small scale application. See the hydro ones for grounding wheat or powering water pumps for daily consumption. Also some lightning may be available in some spot place but I doubt you will be able to find a led, fluorescent or event incandescent light bulb.

In fact I dont think no one really knows what is gona be available in the next decade or so. Heck, we almost cannot think clearly of what is gona be usefull.

Making a garden is a must but how do you preserve the food? I doa lot of home canning and one thing I can tell is that the snap lid has to be replaced each time you do a new can. That thingny has a rubber band on it. How are we gona be replacing those snap lid? What can be used in place of that? What were we using before glass and metal can?

Those are good questions.
theoildrum.com



To: Wharf Rat who wrote (4070)5/4/2006 4:09:49 PM
From: Skywatcher  Respond to of 24210
 
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Press Release Source: JDSU

JDSU Achieves World Record Photovoltaic Efficiency
Thursday May 4, 4:00 pm ET
Significant Milestone Reached in Photonic Power Delivery Enabling Optical Fiber to Replace Copper

MILPITAS, Calif., May 4 /PRNewswire-FirstCall/ -- JDSU (Nasdaq: JDSU - News; TSX: JDU - News), the leading enabler of broadband and optical innovation, announced today that its Photonic Power Business Unit has achieved a world record in the conversion efficiency of laser light into electrical power. JDSU's 3 volt and 5 volt gallium arsenide (GaAs) Photovoltaic Power Converter (PPC) has achieved optical-to-electrical conversion efficiency greater than 50%. This breakthrough further enables the use of fiber optics to replace copper for power delivery where isolation from the surrounding environment is essential. Photonic Power is especially beneficial for cost- effectively driving electronic devices operating in high-voltage, RF/EMI and magnetic fields where traditional copper options are more complex or impractical.
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An efficiency of 50% pushes the boundaries of the maximum theoretical limit for photovoltaic power conversion. This improvement enables more power- hungry electronics such as transducers, transceivers and sensors to be powered over fiber. The higher power efficiency also permits remote electronics to be powered by fiber over longer distances such as tower-mounted installations for cellular and digital TV relay stations. Other applications are numerous including underground exploration and medical applications where the isolated power allows the operation of devices inside strong magnetic fields such as MRI (Magnetic Resonance Imaging).

"With this breakthrough conversion efficiency, JDSU is better positioned to deliver solutions to the medical, industrial sensor, and wireless communications industries," said David Gudmundson, vice president of corporate development for JDSU. "We believe that the delivery of power over fiber can provide strategic and competitive advantages to a variety of applications that require isolated power and are looking for copper wire alternatives."

Currently, more than 10,000 units of the Photonic Power Converter have been deployed, serving more than 50 customers worldwide, serving a wide variety of market segments.