18 Replies to “Parallel Lines Illusion”

  1. the circle-looking thingy makes the two tracks look bent because it’s difficult for your eyes to see two parallel lines as being parallel because they are surrounded by a circle.

  2. cant you see that the lines are straight and parallel? do this: printscren the image then paste it on ‘paint’ then erase the circle and the extra lines thats it!

    1. Or look at one of the lines instead of at the circle in the middle and you can see they’re straight.

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