Cheap Spray-on Plastic Solar Cells Coming

coyote1 writes "The Sacramento Bee reports about custom-tailored molecules and spray-on plastic could someday create the next generation of solar cells -- more flexible, more efficient and much less expensive than existing sources of solar power. Nanotechnology is used to organize the molecules that are sprayed onto a surface."

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Additional Propulsion

[GMontag]

Maybe it could provide enough "umph" to overcome this effect (from the bostic.com list):

http://www.sundaytelegraph.co.uk/news/main.jhtml ?x ml=%2Fnews%2F2002%2F02%2F10%2Fwnasa10.xml
Researchers say Pioneer 10, which took the first close-up
pictures of Jupiter before leaving our solar system in 1983, is
being pulled back to the sun by an unknown force. The effect
shows no sign of getting weaker as the spacecraft travels deeper
into space, and scientists are considering the possibility that
the probe has revealed a new force of nature.
http://www.cnn.com/2001/TECH/space/05/21/ gravity.m ystery/
"It's the same magnitude and the same direction, namely pointed
toward the sun. The force points to the sun in both cases," said
Anderson.
http://physicsweb.org/article/world/12/ 1/5
The motion of these spacecraft is governed by the gravitational
fields of the known bodies in the solar system, and can be
calculated very accurately from general relativity. Anderson's
analysis shows a small but systematic departure from the
expected motion. Indeed, the spacecraft move as if they were
subject to a new, unknown force pointing towards the Sun. This
force imparts the same constant acceleration, ap, of about 10-7
cm s-2 to all three spacecraft, about ten orders of magnitude
less than the free-fall acceleration on Earth. Such a finding,
if it were not explained away by some mundane effect, would be
a major break with accepted physics.