Compound parabolic dishes keep the light in one area much longer than
parabolic dishes so you do not need to move them often.
I have a video explaining how they work at
http://www.youtube.com/watch?v=uX9Z-nsUHiA
I believe this type of explanation and design of optics could also be
useful for other people when they make their solar reflectors.
The equipment, laser level and paper etc only costs $20 or so and you can
get results really quickly. So it might be useful in poor countries
especially for design! Please try it out and give your impressions.
That's the only way to spread ideas, in my opinion.
You can find info about compound parabolics at
http://www.fossilfreedom.com/increase-output.html
and at
http://www.appropedia.org/Understanding_Solar_Concentrators
I did not follow exactly what those people did. You can see how I did the
mold at http://www.youtube.com/watch?v=9eY0xh23Anc
If you have an hour on your hands, try out some of the curves from the
fossil freedom site with the laser experiment.
I think it would be very useful to make dishes based on these designs.
(they are troughs and dishes have more concentration and are probably ...

Must Read Book:

"Will The Next Liar Please Stand Up"

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L!Nihlo!lXSy;Tb

OK, I use an Intel Celeron D E-Machines computer that works fairly. Its
kind of spooky with the fan and all, sometimes my Samsung screen
malfunctions, but for whatever reason all these things since the discovery
of the Bucknminster Fullerene (Buckey Ball), is totally a biological
relationship. We know of these things like:

C_60
C_70...
B_70
Nanotubes
Pentaquarks

Now with the advent of a little bit of restructuring we may as well look
into the electron microscope for all its lustre and start with carbon
dioxide. Its theroized that nuclear particles are as much...

Law enforcement is now intercepting text messages,
as proven by Operation Sudden Fall in San Diego.

http://www.usdoj.gov/dea/pubs/states/newsrel/sd050608.html
http://www.signonsandiego.com/news/education/20080506-1338-bn06sdsu2.html

Don't let your personal SMS/text messages fall into
the wrong hands. Encrypt your messages with one
of these:

http://www.CryptoSMS.org
http://www.CryptoSMS.com
http://www.FortressMail.net/fortress_sms.htm
http://www.Cop2p.com/encrypted_sms.html

Be Safe, Be Encrypted, Fuck the Police!!

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but they have these and many other deals, coupons and freebies on the site
and it is updated frequently.

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Dear Sir /
Madam

If it would be interesting for you to learn,

1) why the signals of Extraterrestrial Civilizations have not been
still detected (“the Great Silence of Cosmos”) [A.2( see Article 2),
the commentaries – below ];

2) why the electromagnetic waves radiated by our brain and
carrying a definite information (e.g. telepathic) have not been still
detected [A.2];

3) why in the band (of frequencies) much less than 1 hertz one
can transmit information at a speed much more than 1 bit in a second
if one use a so-called “non-linear” (“inversely proportional”)
frequency modulation of signals, and, thus, in the band of only one
working radio station one can easily place – all wireless stations of
the world! [A.2];

4) what kind of signals radiate living creatures which are not
detected with up-to-date physical devices, are protected excellently
from any noises, go through any obstacles, and are received reliably
in any point of the Earth [A.2];

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To all of you that asked where I found all the neat solar energy stuff, the
answer is to search Google or Yahoo for "Encyclopedia of Solar Inventions"
Don't forget to put the quotation marks around the words.
Biz

To all of you that asked where I found all the neat solar energy stuff, the
answer is to search Google or Yahoo for "Encyclopedia of Solar Inventions"
Fon't forget to put the quotation marks around the words.
Biz