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10 Most Amazing IllusionsPublished on 7/18/2007

We think we perceive objective reality, but perception is alwaysaltered by invisible biases. Illusions demonstrate this fact. So oahead, et your own perception from !" of the coolest illusionsever made.

Elevator Floor Illusion

#oin into this elevator would certainly makes one nervous. $sin at the entrance cautions the people that oes in about work inproress. $ more detailed look shows that the floor has beenpainted with an illusion that there is no floor.

Earthquake Illusion

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he %ed &ross creatively used the power of optical illusion to shockviewers in its earth'uake(awareness campain in San )rancisco.

Leaning Tower Illusion

*ere is a novel illusion that is as strikin as it is simple. +he twoimaes of the eanin +ower of -isa are identical, yet one has theimpression that the tower on the riht leans more, as ifphotoraphed from a different anle. +he reason for this isbecause the visual system treats the two imaes as if part of asinle scene. ormally, if two adjacent towers rise at the sameanle, their imae outlines convere as they recede from view dueto perspective, and this is taken into account by the visual system.So when confronted with two towers whose correspondinoutlines are parallel, the visual system assumes they must be

diverin as they rise from view, and this is what we see.

Triple Sunrise Illusion

+his is a natural illusion. /n this day, the Sun rised due east at the

0'uino1, a eocentric astronomical event that occurs twice a year.What we see here is a set of ice halos, recorded on a cold wintermornin near #reen 2ay, Wisconsin, 3S$. -roduced by sunlihtshinin throuh common atmospheric ice crystals with he1aonalcross(sections, such halos can actually be seen more often thanrainbows. +he remarkable sunrise picture captures a beautiful

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assortment of the types most fre'uently seen, includin a sunpillar 4center5 just above the risin Sun surrounded by a 66 dereehalo arc. &ompletin a triple sunrise illusion, sundos appear atthe far left and far riht edes of the 66 deree arc. $n uppertanent arc is also just visible at the very top of the view.

Land Shark Optical Illusion

+his was featured in the 0conomist 7aa8ine article titled 9+op+en Sins9 and was a finalist for an 0pica $ward in 6"":. $ll thistime we thouht the 9and Shark9 skits on Saturday iht ivewere just comic fun. ittle did we know at the time that this mihthappen. It starts out innocently, a carin relative ets an e1otic petfor their niece or nephew. +he beast ets bi enouh to take off afinertip and flush it;s one. 2ut bein the cleverest species ofthem all, they adapt and the ne1t thin you know you have a landshark as bi as a bus.

Tansparent Street Signs Illusion

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&hicao artist &ayetano )errer paints street sins with imaes ofits immediate backround, thus ivin them the illusion oftransparency.

Cardiff Bay Illusion

&ardiff 2ay barrae visitors would definitely love the art thatSwiss artist felice

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-artners in both life and art, +im oble 4!=>>5 and Sue Webster4!=>?5 e1plore the to1ic influences of consumer culture throuhnew modes of portraiture. +urnin arbae into comple1 andvisually arrestin sculptural installations, oble and Webstere1ploit, manipulate and transform base materials, often usinself(portraiture to undermine the 9celebrated9 authorship of theartist. +his artwork is called 9@irty White +rash9, Si1 months;worth of the artists; rubbish.

eath !d Illusion

$ 92e careful9 $d illusion. It lets people know they should be morecareful on how they use those stairs...

"oney Illusion

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