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grass isnt green
 

offline freqy on 2008-10-17 15:42 [#02246330]
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it only reflects green light its actually colourless.
nothing has any colour unles you shine a light on it...
(obvious to you perhaps)

when i was younger about a year ago i thought the grass was
green even at night.and youd see the green grass when the
lights came on ..like youd see your hand perhaps when you
put the lights on.

its obvious now. all the clours of the rainbow within the
white light bounce off or are absorbed by certain materials.
like in 3ds max .

also light is invisible . unless it is directly aimed into
your eye from the side 45 degress 10 degrees ..it is totally
invisible ..that means there is a hell of allot of light we
are not seeing.




 

offline Indeksical from Phobiazero Damage Control (United Kingdom) on 2008-10-17 15:44 [#02246331]
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Well done for reading up on some GCSE science.


 

offline 010101 from Vancouver (Canada) on 2008-10-17 15:53 [#02246334]
Points: 7669 Status: Regular



All we have to do now is work out where BOC the song title
'Roygbiv' comes from....


 

offline freqy on 2008-10-17 15:54 [#02246335]
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gravity isn't real


 

offline freqy on 2008-10-17 15:57 [#02246336]
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i didn't read up on it. i worked it out myself.



 

offline w M w from London (United Kingdom) on 2008-10-17 16:21 [#02246340]
Points: 21452 Status: Lurker



:)


 

offline w M w from London (United Kingdom) on 2008-10-17 16:45 [#02246345]
Points: 21452 Status: Lurker



(:


 

offline freqy on 2008-10-17 16:50 [#02246346]
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hahasame man , this is all so cool


 

offline freqy on 2008-10-17 16:54 [#02246347]
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hahaha fast forward my link is the sme as yours :P


 

offline hedphukkerr from mathbotton (United States) on 2008-10-17 16:58 [#02246349]
Points: 8833 Status: Regular



hooray! you have worked out for yourself what i learned in a
lower level high school chemistry class.


 

offline freqy on 2008-10-17 17:07 [#02246351]
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i wonder what i was learning on that day?


 

offline glasse from Harrisburg (United States) on 2008-10-18 01:14 [#02246397]
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it is funny how something like that can seem so profound
when you think about it one way, but so simple when thought
of another.

is the grass green even at night? that could be a noodle
cooker i guess. in a subtractive sense, i'd say yes. do
you think of grass as being black at night, and green in the
day? that seems almost silly because the grass never
changes. it is 100% the same grass when you turn the light
off or on. I'd say green exists because of a
relationship between your eye, the light, and the grass.
Without any one of those things, green could not exist.



 

offline Zephyr Twin from ΔΔΔ on 2008-10-18 10:03 [#02246443]
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All colors exist, always. Just as the infrared or
ultraviolet spectrums are always there. Whether or not our
eyes can perceive a given spectrum is pure coincidence. In
other words, the physical world is pretty static, it is our
perception of it that is limited and/or changing.


 

offline SlipDrinkMats from Thanks (Bhutan) on 2008-10-18 10:20 [#02246449]
Points: 1744 Status: Regular



Last night I had two bottles of Red Wine, and
this morning they came out the other end Black, so
Freqy must be right.


 

offline Zephyr Twin from ΔΔΔ on 2008-10-18 10:28 [#02246451]
Points: 16982 Status: Regular | Followup to SlipDrinkMats: #02246449 | Show recordbag



haha, I love your color formatting. :)


 

offline glasse from Harrisburg (United States) on 2008-10-18 11:12 [#02246462]
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right, the color spectrum always exists, the wavelengths and
frequencies always exist, but does green always exist?
green exists in your mind, the light and its spectrums are
out there. the same wave/freq will always create the same
colors, so in that sense you're right 520–570 nm will
always generate green. is it green if you don't
see it though?

i guess i was getting at more of a tree falling in a forest
kind of thing, carry on.


 

offline Tractern from Brighton (United Kingdom) on 2008-10-18 11:58 [#02246465]
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That guy, Feynmann, is pretty cool

I usually hate science and scientists, but he is just an
everyday, easygoing guy, with ssrta childlike curiosity.

Thanks for brining him to my attention, Freqy. =)


 

offline misantroll from Switzerland on 2008-10-18 21:56 [#02246611]
Points: 2151 Status: Lurker



grass is fucking blue man !
IT'S BLUE!!!


 

offline blaaard from Imatra (close to sky) (Finland) on 2008-10-18 21:58 [#02246613]
Points: 1207 Status: Addict



greeb


 


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