25 posts tagged with illusion. (View popular tags)
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Hello Moon. What do I call you?

What's this illusion called? The full moon is rising, but has not yet cleared the horizon. The bottom of the moon, however, appears concave, its outer edges bending up from the horizon. (Image link inside illustrating this concept). [more inside]
posted by jrchaplin on Apr 14, 2014 - 11 answers

 

Insincerity and the spoken voice.

People often put on a 'funny voice' or accent for emphasis or just in general conversation. This is possibly a reaction to their company but possibly some kind of psychological obfuscation? Does askmetafilter know of any any research into the way people put on funny voices for emphasis when they say things? Accents and intonations etc. Google has not been kind to finding ideas or starting points.
posted by debord on Feb 2, 2014 - 10 answers

What was this occular disturbance I experienced?

Last night I experienced a strange optical disturbance/illusion/vision problem. What's that all about, and should I be concerned? [more inside]
posted by anonymous on Jan 31, 2014 - 13 answers

Help me find a short story about mind control graffiti

This thread and this hypnotic diagram reminded me of a science fiction short story premised around the idea that breakthroughs in psychology and applied mathematics had made it possible to design two-dimensional black and white images that would produce extreme effects in anyone who looked at them. The result was a society in perpetual counter-terrorism lockdown. An image like "The Parrot" could cause immediate seizures and fatal strokes, and one terrorist sneaking a placard of it into the Superbowl could not only kill everyone in his immediate area but also viewers at home. Our main characters in the story are tweens who attend a school with translucent windows. They've gotten their hands on a low-powered nausea-inducing image and they've formed a secret club to take turns looking at it. Where can I find this story? [more inside]
posted by justsomebodythatyouusedtoknow on Oct 28, 2013 - 13 answers

Looking for instructions for a magic trick/puzzle involving rope, tube, & washers.

Can you help me find instructions for a magic trick or illusion that involves 2 or more ropes going through a large tube? (I believe the ropes are linked by washers inside, and so by discreet pinching, the user can produce baffling effects when a mark pulls on a rope.) [more inside]
posted by chr1sb0y on Dec 3, 2011 - 3 answers

Necromancers, please hope me!

We've got two months - help me put together the most badass creepy halloween seance ever! [more inside]
posted by FatherDagon on Aug 25, 2011 - 7 answers

what are some really cool optical illusions I can print and put on my wall?

what are some really cool optical illusions I can print and put on my wall? [more inside]
posted by krautland on Apr 27, 2011 - 14 answers

Optical illusion font?

Asking for my father: I would like to locate a TrueType font that reproduces the characters of this optical illusion watch. [more inside]
posted by lizjohn on Oct 30, 2010 - 4 answers

Optical illusions that work small?

Are there any optical illusions that give the illusion of motion / general tripy-ness on a computer monitor at 32x32 pixels? [more inside]
posted by nathancaswell on Mar 18, 2010 - 4 answers

Is my brain playing tricks on me?

How does this floating man optical illusion work?
posted by ieatwords on Feb 4, 2010 - 13 answers

Illusion of discovery?

What's the name of that illusion (if that's the right word) where you think you came up with an idea but you actually heard it from someone else previously?
posted by palet on Feb 3, 2010 - 7 answers

Drag King Magic

What are some magic tricks that are simple to make/do for an indoor cabaret? [more inside]
posted by divabat on Jan 18, 2010 - 2 answers

Why can't I count the Fs?

I have lots of questions about an email FW: I have received many, many times. [more inside]
posted by doublehappy on Aug 16, 2009 - 25 answers

What caused pitch-shifted echoes of the sound of a fireworks display?

What acoustical phenomena explain the apparent pitch-shifted echo I heard while observing tonight's fireworks display? [more inside]
posted by Songdog on Jul 4, 2009 - 12 answers

Help me tar and feather someone on stage!

I'm directing a play that calls for an actor to be tarred and feathered on stage. It's a powerful moment, and I'd love to do it. But ... how? [more inside]
posted by minervous on Sep 3, 2008 - 33 answers

Help destroy my childlike innocence...reveal secret.

How does this card trick/illusion work?
posted by red cell on Nov 11, 2007 - 7 answers

why do colors seem to appear in different planes on my LCD screen?

When I look at an image (on my LCD computer screen) that is composed of a combination of solid colors separated by black borders, I perceive the colors as appearing on different planes of depth, as if the image were three-dimensional. If I close either eye, the illusion collapses. Am I the only one affected by this, or is it a consequence of the way LCDs display color? [more inside]
posted by pmbuko on Apr 25, 2007 - 15 answers

Hard to gauge speeds at night. Inattention, illusion, or visual deficit?

Is there any sort of recognised optical illusion or visual deficit that can make it hard to realize that a vehicle is stationary? [more inside]
posted by anonymous on Oct 16, 2006 - 17 answers

I need help 'seeing' an optical illusion!

I need help 'seeing' an optical illusion. Picture is inside. [more inside]
posted by bchaplin on Oct 16, 2006 - 19 answers

Please explain this illusion

Saw this act on America's Got Talent and have overcome my shame at watching this terrible show to ask, how the hell is it done? http://www.youtube.com/watch?v=RB-wUgnyGv0 Any insights?
posted by BorgLove on Aug 10, 2006 - 13 answers

What is the name of the flickering light used to create visual illusions?

What is the name of the flickering light used to create visual illusions? [more inside]
posted by scodger on Mar 5, 2006 - 11 answers

How is this magic trick done?

How is this magic trick done? [more inside]
posted by AmbroseChapel on Nov 4, 2005 - 22 answers

Why the post-sneeze sweet smell?

What's that sweet post-sneeze smell I smell? [more inside]
posted by cortex on Sep 8, 2005 - 23 answers

Mirror Mirror On the Wall

My bathroom has mirrored walls instead of tiles. When I look at myself in one wall/mirror, I seem slightly shorter and wider than I seem in the other mirror, creating the illusion of a 5 lb difference in my appearance. Is there a way to figure out which mirror (if either) is accurate?
posted by xo on Feb 11, 2005 - 9 answers

Who is the (French?) man who swallows and regurgitates items at will?

In around 1986/87 (+/- two years), I saw an edition of The Last Resort with Jonathan Ross (failed UK attempt to copy the Letterman chat show format). One of his guests that night was a freakish guy, possibly French, who swallowed things and then extracted them through his stomach. So, he'd swallow some string, then stick a skewer or something through his stomach wall, and hook out the string. Yes, it was that disgusting.
1. Was this real or an illusion? From what I can remember, there were close-ups and it didn't look like it was being faked.
2. Who was this man?
posted by humuhumu on Dec 2, 2004 - 6 answers

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