# Curveball illusion

**URL:** <https://boards.straightdope.com/t/curveball-illusion/497081>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [May 20, 2009, 4:06pm UTC](https://boards.straightdope.com/t/curveball-illusion/497081 "2009-05-20T16:06:49Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![MOIDALIZE](https://avatars.discourse-cdn.com/v4/letter/m/e274bd/32.png) [@MOIDALIZE](https://boards.straightdope.com/u/MOIDALIZE)\
**Post date:** [May 20, 2009, 4:06pm UTC](https://boards.straightdope.com/t/curveball-illusion/497081/1 "2009-05-20T16:06:49Z")

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This is so weird.

[http://illusioncontest.neuralcorrelate.com/2009/the-break-of-the-curveball/](http://illusioncontest.neuralcorrelate.com/2009/the-break-of-the-curveball/)

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**Author:** ![WOOKINPANUB](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/wookinpanub/32/132_2.png) [@WOOKINPANUB](https://boards.straightdope.com/u/WOOKINPANUB)\
**Post date:** [May 20, 2009, 4:58pm UTC](https://boards.straightdope.com/t/curveball-illusion/497081/2 "2009-05-20T16:58:45Z")

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Cool! I can’t wait for a brainy doper to explain \*that \*to us. (Please type slowly and use small words).

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**Author:** ![Cliffy](https://avatars.discourse-cdn.com/v4/letter/c/59ef9b/32.png) [@Cliffy](https://boards.straightdope.com/u/Cliffy)\
**Post date:** [May 20, 2009, 5:21pm UTC](https://boards.straightdope.com/t/curveball-illusion/497081/3 "2009-05-20T17:21:14Z")

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You think the Nats could sign that illusion to a bullpen spot?

–Cliffy

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**Author:** ![chaoticbear](https://avatars.discourse-cdn.com/v4/letter/c/f07891/32.png) [@chaoticbear](https://boards.straightdope.com/u/chaoticbear)\
**Post date:** [May 20, 2009, 7:20pm UTC](https://boards.straightdope.com/t/curveball-illusion/497081/4 "2009-05-20T19:20:15Z")

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Another side note: If I close my right eye and focus on the blue dot, the ball curves at the beginning, then goes through my blind spot, and reappears at the bottom. What fun THAT would be in baseball!
