A clear cloudless day-time sky is blue because molecules in the air scatter
blue light from the sun more than they scatter red light. When we look towards
the sun at sunset we see red and orange colours because the blue light has
been scattered out and away from the line of sight.
The first steps towards correctly explaining the colour of the sky were
taken by John Tyndall in 1859. He discovered that when light passes through
a clear fluid holding small particles in suspension, the shorter blue wavelengths
are scattered more strongly than the red. This can be demonstrated by shining
a beam of white light through a tank of water with a little milk or soap
mixed in. From the side the beam can be seen by the blue light it scatters,
but the light seen directly from the end is reddened after it has passed
through the tank. The scattered light can also be shown to be polarised
using a filter of polarised light, just as the sky appears a deeper blue
through polarised sun glasses.
Ardisson
p.s.
http://www.seed-showcases.com
http://www.kompaktkiste.de/posthuman.htm
Posthuman=2 people. I can often be scraped off the floor at their weekly
drug fuelled orgies.
--
I have acquired copies of two releases from Posthuman: Greyhuman and
Rotahuman, through friends.(as well as mp3s from there website) Mainly
because I have no idea where to find these releases. Are they even
available? I have also been told that Posthuman has released other albums.
What are they? Is Posthuman one or two guys? I really love there music.
Greyhuman is one of those albums you can listen to straight through without
skipping songs. If you have any of there other releases(if they even exist)
or know where I can find there music for sale, please let me know. Sorry
for all of the questions, but there really isn't alot of information
concerning this group/artist.
I am wondering the same about Ardisson. The only music I have of his, I
downloaded from his website. Does he have any albums out, yet? Does he
have any connection to Posthuman?
Also, why is the sky blue?
Thanks for any help!
JJ
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