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'[TECH]Part of Portugal gets LED street furniture'
2009\04\24@051453 by cdb

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That's street lights to you and me scant details here ;
www.elektor.com/news/led-based-street-lights-and-night-lighting
-in.926571.lynkx?utm_source=UK&utm_medium=email&utm_campaign=news

Mind you they don't say what they mean by 60% more efficient.

I watched a science program this evening concerning experiments with
polymer based solar cells being carried out by the CSIRO, Monash
University and Bio21 (a university intellectual product company).

Although they only have an efficiency of no more than 11%, it is hoped
that the sheer cheapness would get them installed in much larger
quantities - the theory put forward by one developer being only 600^2
kilometres of solar panel is required across the world to meet current
demand. These flexible panels are envisioned as being out at sea, as
covers across dams to prevent evaporation and provide power.

The company that prints Australian (and others) bank notes is actually
gearing up to trial printing solar panels.

For those who have never seen Australian notes, they are made of
plastic - which is annoying in that I can no longer fly into a rage  
when I wash them in error. The same technology that prints the notes
can be used to print these solar panels.

A 2" x 3" panel produced 380uA using a desktop lamp as the solarator
or illuminator if you prefer.

Colin

--
cdb,  on 24/04/2009



2009\04\24@110029 by Tony Smith

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{Quote hidden}

Transcript: <www.abc.net.au/catalyst/stories/2550612.htm>
Video:
<rtmp://cp44823.edgefcs.net/ondemand/flash/tv/streams/catalyst/cat_s10_ep11_
solar.flv>

Love the "no need to support the oil industry anymore" comment toward the
end.  I wonder where they think plastic comes from.  I should ask...

Tony

2009\04\24@111559 by Neil Cherry

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Tony Smith wrote:
{Quote hidden}

Hemp? You can make 'plastics' from other things but you are correct.

--
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2009\04\24@113903 by Tony Smith

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> >> For those who have never seen Australian notes, they are made of
> >> plastic - which is annoying in that I can no longer fly into a rage
> >> when I wash them in error. The same technology that prints the notes
> >> can be used to print these solar panels.
> >>
> >> A 2" x 3" panel produced 380uA using a desktop lamp as the solarator
> >> or illuminator if you prefer.
> >
> >
> > Transcript: <www.abc.net.au/catalyst/stories/2550612.htm>
> > Video:
> >
<rtmp://cp44823.edgefcs.net/ondemand/flash/tv/streams/catalyst/cat_s10_ep11_
> > solar.flv>
> >
> > Love the "no need to support the oil industry anymore" comment toward
the
> > end.  I wonder where they think plastic comes from.  I should ask...
>
> Hemp? You can make 'plastics' from other things but you are correct.


I know about plastic from plants, but I don't know if anyone actually uses
it.  Most people think "oh no, no more cars!" when told oil is running out,
I think "bugger, no plastic!"

A while back I was thinking we'd have to go back to making stuff out of
steel instead, but that'll probably get too expensive.  Then I figured we'd
go back to wood, like old TVs & radios.  I started wondering what a fridge
with a wooden shell instead of steel would look like.  I've haven't yet put
wood panelling on mine, but I briefly considered it.

Tony

2009\04\24@122641 by Neil Cherry

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Tony Smith wrote:
{Quote hidden}

A lot of things are made with oil products and would take a lot
to shift gears to other things. The one thing I always love about
the move to 'electric' cars is that we end up having new forms of
pollution. Somewhere we have to start spreading the load to more
than just one technology. I also feel that human power could be
taken advantage of (ignore the sweat factor, I haven't figured that
out yet). :-/ The plain fact is that we are running out of everything
unless we get real smart, real fast.

--
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