The light we receive at our retina's (of our eye's) takes
time(microsecs) to process[due to chemical changes] before tranfered to
the brain where it is interpeted.Therefore it is easily seen why we can
visualize (after images)There is no mystery in any of this.Light travels
at /186282/ miles per sec/ the amount of time between reception and
processing can be readily explained. But agood site!! Later TK.
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