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Human Biased illusions

  • DaveGrennan
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  • IFAS Astronomer of the Year 2010
  • IFAS Astronomer of the Year 2010
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17 years 5 months ago #48784 by DaveGrennan
Replied by DaveGrennan on topic Re: Human Biased illusions
THAT IS STAGGERING.

I doubted so much that I went into photoshop and sampled each square. Both Squares have an RGB value of 120:120:120. Identical!

Incredible!

Regards and Clear Skies,

Dave.
J41 - Raheny Observatory.
www.webtreatz.com
Equipment List here

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17 years 5 months ago #48786 by dave_lillis
Replied by dave_lillis on topic Re: Human Biased illusions

THAT IS STAGGERING.

I doubted so much that I went into photoshop and sampled each square. Both Squares have an RGB value of 120:120:120. Identical!

Incredible!

and I thought I was the only mad one here, I also had to do it photoshop to believe it. :lol:

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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17 years 5 months ago #48787 by dave_lillis
Replied by dave_lillis on topic Re: Human Biased illusions

Not to me, both look different. "A" is dark grey, and "B" is lighter grey

I know they both look different........... its an optical illusion :D


Seanie, you'll love this site: www.michaelbach.de/ot/

:)


Jaysus, that site is giving me a whopper of a headache! :lol: :lol: :lol:

check out the eyes that follow the mouse. :lol:
can we have that on this site, except its a scope/star that follows you around :wink: :lol:

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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17 years 5 months ago #48800 by Seanie_Morris
Replied by Seanie_Morris on topic Re: Human Biased illusions

:D
Guys.
Here is what you do to prove they are the same colour.

Click on the image that shows the squares connected.
Then, with your fist create a tiny hole to look through, just enough of a hole
so you only see the letter 'A' fully encompassed.
Now travel down to the letter 'B'.
Hey presto, it's the same color!


NOW I get it alright! So, to the rest of you, I'm not that thick! ;)

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.

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17 years 5 months ago #48847 by cobyrne
Replied by cobyrne on topic Re: Human Biased illusions
My favorite optical illusion -

en.wikipedia.org/wiki/Image:Lilac-Chaser.gif

Stare at the cross in the centre of the picture.

You can get a description here

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