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Kil
Evil Skeptic

USA
13467 Posts

Posted - 03/18/2005 :  16:39:44  Show Profile  Visit Kil's Homepage  Send Kil an AOL message  Send Kil a Yahoo! Message Send Kil a Private Message
http://www.michaelbach.de/ot/index.html

Visual Phenomena
(Visual Illusion ∑ Optische Tšuschungen)
by Michael Bach

Uncertainty may make you uncomfortable. Certainty makes you ridiculous.

Why not question something for a change?

Genetic Literacy Project

Dr. Mabuse
Septic Fiend

Sweden
9677 Posts

Posted - 03/18/2005 :  17:41:03   [Permalink]  Show Profile  Send Dr. Mabuse an ICQ Message Send Dr. Mabuse a Private Message
What you see is what you get...

Dr. Mabuse - "When the going gets tough, the tough get Duct-tape..."
Dr. Mabuse whisper.mp3

"Equivocation is not just a job, for a creationist it's a way of life..." Dr. Mabuse

Support American Troops in Iraq:
Send them unarmed civilians for target practice..
Collateralmurder.
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Dave W.
Info Junkie

USA
26012 Posts

Posted - 03/18/2005 :  23:09:02   [Permalink]  Show Profile  Visit Dave W.'s Homepage Send Dave W. a Private Message
Damn you, Kil. That's an hour-and-a-half of my life I won't get back (though most of it was really cooooool).

- Dave W. (Private Msg, EMail)
Evidently, I rock!
Why not question something for a change?
Visit Dave's Psoriasis Info, too.
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beskeptigal
SFN Die Hard

USA
3834 Posts

Posted - 03/19/2005 :  03:24:27   [Permalink]  Show Profile Send beskeptigal a Private Message
The money illusion in the bottom right corner cracked me up.

My favorite was the rotating hollow face. That's one I hadn't seen before. or at least, I don't remember seeing it.
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Siberia
SFN Addict

Brazil
2322 Posts

Posted - 03/19/2005 :  06:43:09   [Permalink]  Show Profile  Visit Siberia's Homepage  Send Siberia an AOL message  Send Siberia a Yahoo! Message Send Siberia a Private Message
I love visual illusions. I used to collect them (yeah, I'm weird), hunt pictures on the web and save them on the HD.
Thanks, Kil... loved to watch those.

"Why are you afraid of something you're not even sure exists?"
- The Kovenant, Via Negativa

"People who don't like their beliefs being laughed at shouldn't have such funny beliefs."
-- unknown
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Ricky
SFN Die Hard

USA
4907 Posts

Posted - 03/19/2005 :  10:13:24   [Permalink]  Show Profile  Send Ricky an AOL message Send Ricky a Private Message
I would have to say Frazer's Spiral is my favorite or at least so far.

Great site Kil, thanks for the link.

Why continue? Because we must. Because we have the call. Because it is nobler to fight for rationality without winning than to give up in the face of continued defeats. Because whatever true progress humanity makes is through the rationality of the occasional individual and because any one individual we may win for the cause may do more for humanity than a hundred thousand who hug their superstitions to their breast.
- Isaac Asimov
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beskeptigal
SFN Die Hard

USA
3834 Posts

Posted - 03/20/2005 :  00:53:12   [Permalink]  Show Profile Send beskeptigal a Private Message
quote:
Originally posted by Ricky

I would have to say Frazer's Spiral is my favorite or at least so far.

Whoa! That one is weird. It says I have too short of an attention span to follow any circle around without putting the mouse arrow on it.
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Dave W.
Info Junkie

USA
26012 Posts

Posted - 03/20/2005 :  01:05:14   [Permalink]  Show Profile  Visit Dave W.'s Homepage Send Dave W. a Private Message
My personal favorite is the Scintillating Grid. I've printed some up at work, titled "Vision Test: Point to the Black Dot."

Years ago, my boss walked into my office one day and I held up the printed sheet to show him. Almost immediately, he said "F.U." (not in so few letters), and left my office. I still don't know why he wanted to talk to me at that particular instant.

Just a couple months ago, a coworker of mine, upon seeing the grid for the first time, said "that is the most horrible thing I've ever seen." He claimed that he wasn't exaggerating at all.

- Dave W. (Private Msg, EMail)
Evidently, I rock!
Why not question something for a change?
Visit Dave's Psoriasis Info, too.
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beskeptigal
SFN Die Hard

USA
3834 Posts

Posted - 03/20/2005 :  18:08:13   [Permalink]  Show Profile Send beskeptigal a Private Message
quote:
Originally posted by Dave W.

My personal favorite is the Scintillating Grid. I've printed some up at work, titled "Vision Test: Point to the Black Dot."

Years ago, my boss walked into my office one day and I held up the printed sheet to show him. Almost immediately, he said "F.U." (not in so few letters), and left my office. I still don't know why he wanted to talk to me at that particular instant.

Just a couple months ago, a coworker of mine, upon seeing the grid for the first time, said "that is the most horrible thing I've ever seen." He claimed that he wasn't exaggerating at all.

I don't understand either of these reactions. It's just an optical illusion.
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Dave W.
Info Junkie

USA
26012 Posts

Posted - 03/20/2005 :  18:50:46   [Permalink]  Show Profile  Visit Dave W.'s Homepage Send Dave W. a Private Message
quote:
Originally posted by beskeptigal

I don't understand either of these reactions. It's just an optical illusion.
To some people, that particular illusion is the visual equivalent of fingernails on a blackboard. Myself, I find the scintillation only mildly unsettling. Also, it seems to make matters worse that when I print it out, I make sure there are at least 100 intersections, total, not just the 64 seen on that web site.

- Dave W. (Private Msg, EMail)
Evidently, I rock!
Why not question something for a change?
Visit Dave's Psoriasis Info, too.
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dv82matt
SFN Regular

760 Posts

Posted - 03/30/2005 :  02:19:30   [Permalink]  Show Profile Send dv82matt a Private Message
I love the illusions. It's funny how the brain is wired.

Here's a few more illusions and puzzles that I think are worth a peek.

http://www.ddmayer.co.uk/NewStuff/puzzles.htm
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moakley
SFN Regular

USA
1888 Posts

Posted - 03/30/2005 :  09:45:55   [Permalink]  Show Profile Send moakley a Private Message
The Scintillating Grid was a little unsettling. I noticed my anxiety level increasing in just a few seconds.

Life is good

Philosophy is questions that may never be answered. Religion is answers that may never be questioned. -Anonymous
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Wendy
SFN Regular

USA
614 Posts

Posted - 03/30/2005 :  12:26:25   [Permalink]  Show Profile  Send Wendy a Yahoo! Message Send Wendy a Private Message
Is anybody aware of a gender-related inability to see some illusions?

My family went to Little Rock for the opening of the Clinton Museum. While there (partly to escape the pouring rain!) we toured a children's museum that had several exhibits where you were supposed to stare at a picture for several seconds, and then another image would emerge. My husband and son had no problem seeing the hidden images, but no matter how long we looked my daughters and I could not see them. What gives?

I like Find the Face (in the Beans). Could just be my coffee addiction, though.

Millions long for immortality who don't know what to do on a rainy afternoon.
-- Susan Ertz
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Ricky
SFN Die Hard

USA
4907 Posts

Posted - 03/30/2005 :  12:58:50   [Permalink]  Show Profile  Send Ricky an AOL message Send Ricky a Private Message
quote:
Originally posted by dv82matt

I love the illusions. It's funny how the brain is wired.

Here's a few more illusions and puzzles that I think are worth a peek.

http://www.ddmayer.co.uk/NewStuff/puzzles.htm



Thanks, now I'm going to have to go out and buy a box of pasta just to try #25...

Why continue? Because we must. Because we have the call. Because it is nobler to fight for rationality without winning than to give up in the face of continued defeats. Because whatever true progress humanity makes is through the rationality of the occasional individual and because any one individual we may win for the cause may do more for humanity than a hundred thousand who hug their superstitions to their breast.
- Isaac Asimov
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beskeptigal
SFN Die Hard

USA
3834 Posts

Posted - 03/30/2005 :  13:05:36   [Permalink]  Show Profile Send beskeptigal a Private Message
Oooouuu!!! The dragon face that follows you is my favorite.
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dv82matt
SFN Regular

760 Posts

Posted - 03/30/2005 :  21:43:04   [Permalink]  Show Profile Send dv82matt a Private Message
quote:
Originally posted by Ricky
Thanks, now I'm going to have to go out and buy a box of pasta just to try #25...
When I tried it all mine all broke into at least three pieces, but my sister tried it and insists that it didn't work for her.
quote:
Originally posted by beskeptigal
Oooouuu!!! The dragon face that follows you is my favorite.
Yeah that one is pretty awesome. Even knowing how the illusion works doesn't diminish its effectiveness.

This one baffles me though. Does anyone have an explanation?
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