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Old December 4th 07, 08:51 PM posted to rec.aviation.piloting,rec.aviation.homebuilt
Gig 601XL Builder
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Default Spinner strobing as a "Bird Strike Countermeasure"

Beryl wrote:
Jim Logajan wrote:
The following thread on the Van's Air Force web site was of general
enough interest that I thought it worthwhile to bring it to the
attention of other pilots:

http://www.vansairforce.com/communit...ad.php?t=24147

Would be quite useful if it really worked. Of course there would
still be strikes with inattentive and near-sighted birds. ;-)


Entertaining thread this turned into. Anyway, here's a nice illusion.

http://img408.imageshack.us/img408/8067/imagegm1.gif

Concentrate on the + in the middle.
An illusory green dot soon appears.
Moments later, pink dots seem to disappear.


Hey, I was about to post that.