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In some humans this page will cause the head to ache.

• guruz 12y ago
  For me it causes faster breathing and faster (perceived?) heart beat..
• Alupis 12y ago
  Oh ya it does. For me, it's only when the bars get really bunched together... basically I can't stare at it anymore when it gets there.
• AustinG08 12y ago
  good god man, my eyes, I can't feel my eyes!
• chx 12y ago
  Or cause a tonic-clonic seizure.
• rjuyal 12y ago
  Yes, I am one of those "some humans".
• craftkiller 12y ago
  My refrigerator's compressor just happened to turn on when I clicked the link. I was impressed.
• Fuxy 12y ago
  I'm one of those humans. I helps not to look at the screen just listen and glance at it when you hear the tune.
• Houshalter 12y ago
  It's similar to this image: https://i.imgur.com/Zihujue.jpg https://i.imgur.com/Zihujue.jpg Try staring at that for a few seconds. The best explanation is that it overloads the edge detectors in your brain. There are some other possible explanations here: https://www.reddit.com/r/explainlikeimfive/comments/1sgn7v/eli5_why_does_looking_at_this_picture_hurt_my_eyes/ https://www.reddit.com/r/explainlikeimfive/comments/1sgn7v/e...