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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.

Sarcones Helicopter Lines Illusion

Comments

41 Responses
  1. Me says:

    Good classic illusion =)

  2. T.J says:

    Pretty good!

  3. Care Bear says:

    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?

  4. gomonkey says:

    yay cool

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

  6. josephine says:

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

  7. 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

  8. Flor Liliana says:

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

    that bad,*

    =(

    Bye (k)

  9. Cara says:

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

  10. Month of May says:

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

  11. Chris says:

    definitely a classic.

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

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

  13. AC says:

    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!

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

  15. ky says:

    same lenth! cool!

  16. secret says:

    great illusion very well done

  17. Owen Ngo says:

    The blue one is longer…Believe it or not!

  18. Leon Haidvogl says:

    good old one in new form

  19. C.C says:

    nice :D

    ~C.C

  20. Adam Schondelmaier says:

    Wow…the blue one is actually longer.

  21. qwertyuiop says:

    classic illusion with a twist…

  22. Darkmind says:

    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 !

  23. NeeL says:

    But I know which one is longer!

  24. Nikolai Scheel says:

    it looks to me like they are the same

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

  25. psb says:

    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.

  26. bombaikos says:

    The blue line is 1.12 times larger than red on

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

  28. Brian says:

    it looks like the blue one is longer

  29. Barbarella says:

    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.

  30. JMAN12 says:

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

  31. carlos says:

    wow thanks o cool

  32. NK says:

    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.

  33. says says:

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

  34. Anna says:

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

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

  36. Vandeck says:

    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.

  37. fj says:

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

  38. Dew Silverdrop says:

    deh blue 1s longer…. i mesured meself!

  39. Chandan says:

    They are NOT same. Use a ruler.

  40. Alana says:

    the blue line is longer. i measured it :)

  41. annaj:) says:

    uhmm me no get it….?

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