Impossible Visual Illusions

Addresses new and interesting links to other sites (not listed on the Genii website) that merit attention.

Postby Guest » 01/28/03 07:23 AM

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Postby Guest » 01/28/03 07:54 AM

Wow! That was quite amazing. Thanks Kjellstrom for the link.
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Postby George Olson » 01/28/03 09:36 AM

I forwarded a copy to Jerry Andrus. As most of you know he's deep into "illusions!"

As an aside, I won't believe what my eyes are showing me in the videos.

Quite disconcerting, but fascinating.

GO
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Postby Guest » 01/28/03 09:52 AM

Yes, this was a very impressing illusions.
I wonder if its possible to do this in real life with some kind of prop?
That may be the next "hit" in the magic world.
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Postby sleightly » 01/28/03 11:46 AM

Mark Setteducati's book (with Anne Benkovitz), The Magic Show includes at least one example of two of the illusions presented on the website (equal color values appear different when placed in different context...)

ajp
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Postby timbrown » 01/29/03 07:25 AM

I found an incredible optical illusion that simply has to be seen to be believed. It requires considerable preparation (and a computer with printer) but it is well worth the effort.

Go to this site and give it a try:

http://www.grand-illusions.com/dragon.htm

I made on of these little dragons and it rests on the top of my computer desk in my office. I still can't believe how much it fools my eye!

Tim Brown
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Postby Steve Bryant » 01/29/03 08:30 PM

Thanks! I just built it. I had no idea what the effect would be until I constructed it. Very cool.
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Postby Chris Aguilar » 01/30/03 09:11 PM

The little dragon that you build is amazing!

Same concept that disney uses in their "Haunted Mansion".
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Postby sleightly » 01/31/03 06:35 AM

I believe JonR posted about this elsewhere, but if you want to see more of this ilk (including more Jerry Andrus material and "dragon-like" perspective material), check out Al Seckel's The Great Book of Optical Illusions...

Highly recommended!

Andrew

Amazon: The Great Book of Optical Illusions
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Postby Guest » 01/31/03 09:57 AM

I'm not sure if the directions about a mountain fold and valley fold are accurate. By mountain fold the seem to mean, fold down. Is this true?
Thanks
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Postby timbrown » 01/31/03 11:52 AM

A mountain fold looks like a peak (^) while a valley fold looks like a valley (V). This is standard origami terminology. You can find a wealth of origami basics with a simple web search using your favorite search engine.

Try this Paper Dragon - you won't be sorry!

Thanks to Jerry Andrus, who inspired the creation of this illusion (which was presented during a gathering of Martin Gardner fanatics)

Tim Brown :rolleyes:
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Postby Steve Bryant » 01/31/03 01:22 PM

merlou, believe what the directions are telling you about mountain and valley folds. They are counter-intuitive and you will seem to be building the dragon's head inside out. But that is correct, and the results are amazing.
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Postby Guest » 01/31/03 03:30 PM

This is SO worth doing!
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Postby Guest » 02/01/03 04:39 PM

Originally posted by Ralph Bonheim:
This is SO worth doing!
Ditto.
The first dragon I made was "inside out" :confused:

Second one, spot on. :D

Thanks for the links on this post. Very interesting indeed.
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Postby Guest » 02/02/03 07:31 AM

Thanks guys
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Postby Guest » 02/10/03 04:09 PM

I regret to announce that my cat ate my dragon this morning. Back to square one...
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