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Look around you. Nature demands our attention.... (R. Dawkins)
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April 26 2012
I doubt the connection of the conical shape of photoreceptors to the visibility of the rainbow, since it appears to be a almost purely dispersion phenomenon.
funfact: you can take pictures of rainbows and CCD's, well, their shape is different, isn't it?
April 09 2012
Reposted from
SolidBones via
Reisagainst
SolidBones via ReisagainstApril 08 2012
Reposted from
tygryswpaski via
naturalismus
tygryswpaski via naturalismusMarch 22 2012
c3le on tour
It took us 2 days and over 280 kilometers to get to the Chaos Communication Camp in 2011. Total worth it. There is a dockstar with gps mouse, umts-stick and over 10kg of lead-batteries in the roll trailer. No downtime during the trip. :-)
March 14 2012
March 08 2012
Reposted from
granini via
laprintemps
granini via laprintempsMarch 05 2012
Magnetic Nanoparticles
magnetic nanoparticles in solution (water) are rotated by a rotating magnetic field with a frequency of about 20Hz.
March 04 2012
I did not want any source, I wanted the very source you used. But thanks anyways.
Maybe you should have a look at this:
When to Cite
There is often confusion among students as to when they should use a citation. And while different disciplines may have different rules regarding when citations should be used, there are a few general rules that you can follow:
When using a direct quote from a previously published work.
When paraphrasing an idea or theory found in a previously published work.
When referring to a previously published work (or the ideas expressed in it).
When using a previously published work to help formulate your own ideas.
When in doubt, cite it!
March 03 2012
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