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By on May 25, 2010, with 41 Comments

I snitched this optical illusion off of G. Sarcone’s website, and would like to ask you a simple question: which of the two choppers has a longer line painted on-top of it? Are they the same? Is the red line longer? What do you think? I can assure you the answer will shock you. That’s it for now! No need to ruin this great optical illusion with some unrelated chit-chat. For more similar ones, check relative sizes cat.

G. Sarcone - Helicopter Lines Optical Illusion

  • Me

    Good classic illusion =)

  • T.J

    Pretty good!

  • Care Bear

    If you ask “which is longer” the answer is obviously, “they’re the same.” Nevertheless, those are two fine looking coffee grinder. How much for a ride in one?

  • gomonkey

    yay cool

  • http://www.facebook.com/people/Patrick-Barrett/100000548389444 Patrick Barrett

    yup nice the red one looks bigger and the same size at the same time for me!Nice classic

  • josephine

    I thought they were the same, but i measured and the smaller copter has a bigger one, who woulda thunk

  • http://www.facebook.com/people/Anadi-Kulkarni/642890304 Anadi Kulkarni

    sweet. that happens because they are ovals and not circles. in the smaller one the line is the biggest chord in the oval and in the bigger oval its the smallest chord.

    so cool

  • Flor Liliana

    the truth, I did not understand this optical illusion..

    that bad,*

    =(

    Bye (k)

  • Cara

    The red line LOOKS longer to the eye, but the blue line is actually longer. Keep up the good work. Thanks.

  • Month of May

    these illusions usually don’t fool me but i got stumped on this one

  • Chris

    definitely a classic.

    just take a ruler and measure out the lines. the lines are equal, the helicopters are just a distraction

  • http://www.facebook.com/people/Mathias-Courbois/1347407051 Mathias Courbois

    Haha, I know this one from back in school when I learned drawing perspectives. It’s a nice trick!

  • AC

    Cool, The first copter’s line doesn’t go all the way across to me, maybe thats why this is possibe. These are so Interesting!

  • http://www.facebook.com/people/Richard-Haviland/100000657164709 Richard Haviland

    Ah, the good old fashioned line illusion! I do believe it is the blue one. Yes indeed

  • ky

    same lenth! cool!

  • secret

    great illusion very well done

  • http://www.facebook.com/people/Owen-Ngo/826095205 Owen Ngo

    The blue one is longer…Believe it or not!

  • Leon Haidvogl

    good old one in new form

  • C.C

    nice :D

    ~C.C

  • Adam Schondelmaier

    Wow…the blue one is actually longer.

  • qwertyuiop

    classic illusion with a twist…

  • Darkmind

    It’s not a classic illusion, nothing’s actually shocking in this one. Let me comment this way: the two shapes are not CIRCLES but ELLIPSES and the short side of one ellipse is only equal to the long from the other one, that’s it !

  • NeeL

    But I know which one is longer!

  • Nikolai Scheel

    it looks to me like they are the same

    I like this one a little more than most of the others. :)

  • psb

    Ah-ha, that did surprise me. I was sure they were the same since one was across the short lentgh of the oval and the other was across the long length of the oval.

  • bombaikos

    The blue line is 1.12 times larger than red on

  • http://www.facebook.com/people/Richard-Haviland/100000657164709 Richard Haviland

    Vurdlak, Why don’t you check these comments any more? I really miss reading them. So what’s up?

  • Brian

    it looks like the blue one is longer

  • Barbarella

    It appears that the red line is longer but I have seen enough of these to believe that the two are probably the same length. I got out my ruler on this one but I won’t spoil it for those who haven’t decided yet.

  • JMAN12

    Let me guess?!?! THERE THE SAME!! LAME!!(and I rhymed!)

  • carlos

    wow thanks o cool

  • NK

    The blue and pink ovals are different sizes, but notice that the red line goes through (nearly) the shortest way across the oval while the blue line goes through (nearly) the longest way across the oval.

  • says

    They are exactly the same. But why ruin it for others? Whoops! Just did.

  • Anna

    I know Im sounding dimm but whats the answer? Its obviously going to be the one that looks smaller isnt it? or is it!?

  • http://www.facebook.com/people/Spencer-Carlyle/1250320210 Spencer Carlyle

    HOW!?!?!? they look different but their the same!

  • Vandeck

    This is not a CLASSIC illusion, but a NEW one. Furthermore, the lines don’t are the same at all: the red line SEEMS subjectively longer, but in fact the blue line IS objectively longer.

  • fj

    blue line is longer then the red line…
    who said they are the same??? use a ruler!

  • Dew Silverdrop

    deh blue 1s longer…. i mesured meself!

  • Chandan

    They are NOT same. Use a ruler.

  • Alana

    the blue line is longer. i measured it :)

  • annaj:)

    uhmm me no get it….?

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