Re: Pendulums seen through colored filters.

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1 total messages Started by PHYS2SHS Fri, 20 May 1994 23:12

#1491

Author: PHYS2SHS
Date: Fri, 20 May 1994 23:12

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>The reason for the unsual appearance of the pendulum is probably due to a
>slight time delay in the processing of the information from the retina which
>receives the filtered light.   There is a demo at the science museum in Queens
>N.Y. which makes use of this effect, but there a grey filter is used.  Shadows
>on a wall appear to move in the third dimension as a result.     hope you got
>my subscription message.

Thanks for the reply!  Welcome to the List.

It would be interesting to see the exibit.  Other "replyers" suggest that
any color filter would work, must just be an optical illusions as you
suggest.  (a lapse in the processing of the two images.)

This brings to mind another interesting topic... those Magic Eye pictures
that when stared at for a while produces a 3D image.  Does anyone
know of a computer program that will create those images?  (I heard
that the images were computer generated.)

Sincerely,
Gregory R. Snow - Smithfield High School - phys2shs@uriacc.uri.edu

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