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David O'Reilly, the author of iHologram app (fake), has released this new optical illusion that made big stir around the web. While working in 3D last year, he discovered this animated illusion. He came to conclusion that a large grid seen rotating at a certain speed will appear to group itself into smaller grids, spinning independently. In this example, we see a central grid, and 3 or 4 orbiting it. Here appear about 5 or 6 grids. The same animation at a lower frame-rate looks almost liquid. It appears the persistence of vision effect overrides our knowledge that this is a single grid and divides it up optically. This only seems to work on an uniform grid, while brick formation has slight different but still interesting results. Unfortunately, the effect is lost when using a checkered texture. I have attached 3 of David's animations, but you should open them in new window, in full-size to get the best effect.
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Those of you, who are into video optical illusions, will immediately try getting their hands on iHologram app for your iPhone. Unfortunately, after the video (posted below) made a big stir all over the web, it's author David O'Reilly admitted it was actually fake. In reality it should work like this: the iHologram application for the iphone/ipod touch, gives the illusion of a 3D hologram jumping off the screen, reacting to the movement of the built-in gyroscope iphone is equipped with. Attached you can see a video of it in use, featuring the cat from David's award-winning but unfinished cartoon. David admitted that the application wasn't for real, making a public statement: "The iHologram was an illustration of an idea I had which I believe could work with the technology (combining anamorphosis and motion sensing) iPhone is equipped with. Unfortunately I’m just an ideas person, and I can show how things should look, but I’m no hardcore programmer." So what do you think? Could it be done?[148117]
This is illusion pretty cool in my opinion. Artist Dick Termes painted a sphere with a unique "six-point" perspective technique that results with a pretty neat optical illusion. Attached below, you may find the video clip. As you watch it, try to imagine that the front half of the sphere is transparent, and instead, that the mural is painted on the inside of the sphere. Once you do that, the spin will seem to reverse direction and you’ll find yourself inside of the painting. Reflecting Back is a 17" diameter sphere that was painted in 1989. As Deadwood is very close to where Termes lives much of this painting was done on the spot in the Adams House. This house is now owned by the city of Deadwood South Dakota. This is a wonderful spherical painting to show the six point perspective which Termes is known for.[147281]